diff --git a/package-lock.json b/package-lock.json
index 6357a21..8c91b48 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -16,7 +16,6 @@
                 "easytimer.js": "^4.5.3",
                 "js-cookie": "^3.0.1",
                 "normalize.css": "^8.0.1",
-                "read-env": "^2.0.0",
                 "seedrandom": "^3.0.5"
             },
             "devDependencies": {
@@ -1929,15 +1928,6 @@
                 "node": ">= 6.0.0"
             }
         },
-        "node_modules/@types/camelcase": {
-            "version": "5.2.0",
-            "resolved": "https://registry.npmjs.org/@types/camelcase/-/camelcase-5.2.0.tgz",
-            "integrity": "sha512-zhHaryYYUUsJ1h6Rq4hisPkljY7c2bkC5PFYQbom5fyKloGJEDK+wdsw2L4hnBwXr4plGjW6D/UVJBbNbOzVpQ==",
-            "deprecated": "This is a stub types definition. camelcase provides its own type definitions, so you do not need this installed.",
-            "dependencies": {
-                "camelcase": "*"
-            }
-        },
         "node_modules/@types/q": {
             "version": "1.5.5",
             "resolved": "https://registry.npmjs.org/@types/q/-/q-1.5.5.tgz",
@@ -2728,14 +2718,6 @@
                 "node": ">=4"
             }
         },
-        "node_modules/camelcase": {
-            "version": "5.3.1",
-            "resolved": "https://registry.npmjs.org/camelcase/-/camelcase-5.3.1.tgz",
-            "integrity": "sha512-L28STB170nwWS63UjtlEOE3dldQApaJXZkOI1uMFfzf3rRuPegHaHesyee+YxQ+W6SvRDQV6UrdOdRiR153wJg==",
-            "engines": {
-                "node": ">=6"
-            }
-        },
         "node_modules/caniuse-api": {
             "version": "3.0.0",
             "resolved": "https://registry.npmjs.org/caniuse-api/-/caniuse-api-3.0.0.tgz",
@@ -3590,9 +3572,9 @@
             }
         },
         "node_modules/decode-uri-component": {
-            "version": "0.2.0",
-            "resolved": "https://registry.npmjs.org/decode-uri-component/-/decode-uri-component-0.2.0.tgz",
-            "integrity": "sha1-6zkTMzRYd1y4TNGh+uBiEGu4dUU=",
+            "version": "0.2.2",
+            "resolved": "https://registry.npmjs.org/decode-uri-component/-/decode-uri-component-0.2.2.tgz",
+            "integrity": "sha512-FqUYQ+8o158GyGTrMFJms9qh3CqTKvAqgqsTnkLI8sKu0028orqBhxNMFkFen0zGyg6epACD32pjVk58ngIErQ==",
             "dev": true,
             "engines": {
                 "node": ">=0.10"
@@ -7407,15 +7389,6 @@
                 "node": ">= 0.6"
             }
         },
-        "node_modules/read-env": {
-            "version": "2.0.0",
-            "resolved": "https://registry.npmjs.org/read-env/-/read-env-2.0.0.tgz",
-            "integrity": "sha512-gCuo85JH2aWt23HVeFzUUhpLzCRtc9O0jjvpMDG/3vue2aOp7/XllAQjSyL8xGqBifGNYbnWLE0PAqi4AWMBlA==",
-            "dependencies": {
-                "@types/camelcase": "5.2.0",
-                "camelcase": "5.3.1"
-            }
-        },
         "node_modules/readable-stream": {
             "version": "2.3.7",
             "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-2.3.7.tgz",
@@ -10602,14 +10575,6 @@
                 "physical-cpu-count": "^2.0.0"
             }
         },
-        "@types/camelcase": {
-            "version": "5.2.0",
-            "resolved": "https://registry.npmjs.org/@types/camelcase/-/camelcase-5.2.0.tgz",
-            "integrity": "sha512-zhHaryYYUUsJ1h6Rq4hisPkljY7c2bkC5PFYQbom5fyKloGJEDK+wdsw2L4hnBwXr4plGjW6D/UVJBbNbOzVpQ==",
-            "requires": {
-                "camelcase": "*"
-            }
-        },
         "@types/q": {
             "version": "1.5.5",
             "resolved": "https://registry.npmjs.org/@types/q/-/q-1.5.5.tgz",
@@ -11268,11 +11233,6 @@
             "integrity": "sha1-BuuE8A7qQT2oav/vrL/7Ngk7PFA=",
             "dev": true
         },
-        "camelcase": {
-            "version": "5.3.1",
-            "resolved": "https://registry.npmjs.org/camelcase/-/camelcase-5.3.1.tgz",
-            "integrity": "sha512-L28STB170nwWS63UjtlEOE3dldQApaJXZkOI1uMFfzf3rRuPegHaHesyee+YxQ+W6SvRDQV6UrdOdRiR153wJg=="
-        },
         "caniuse-api": {
             "version": "3.0.0",
             "resolved": "https://registry.npmjs.org/caniuse-api/-/caniuse-api-3.0.0.tgz",
@@ -11994,9 +11954,9 @@
             }
         },
         "decode-uri-component": {
-            "version": "0.2.0",
-            "resolved": "https://registry.npmjs.org/decode-uri-component/-/decode-uri-component-0.2.0.tgz",
-            "integrity": "sha1-6zkTMzRYd1y4TNGh+uBiEGu4dUU=",
+            "version": "0.2.2",
+            "resolved": "https://registry.npmjs.org/decode-uri-component/-/decode-uri-component-0.2.2.tgz",
+            "integrity": "sha512-FqUYQ+8o158GyGTrMFJms9qh3CqTKvAqgqsTnkLI8sKu0028orqBhxNMFkFen0zGyg6epACD32pjVk58ngIErQ==",
             "dev": true
         },
         "deep-is": {
@@ -15076,15 +15036,6 @@
             "integrity": "sha512-Hrgsx+orqoygnmhFbKaHE6c296J+HTAQXoxEF6gNupROmmGJRoyzfG3ccAveqCBrwr/2yxQ5BVd/GTl5agOwSg==",
             "dev": true
         },
-        "read-env": {
-            "version": "2.0.0",
-            "resolved": "https://registry.npmjs.org/read-env/-/read-env-2.0.0.tgz",
-            "integrity": "sha512-gCuo85JH2aWt23HVeFzUUhpLzCRtc9O0jjvpMDG/3vue2aOp7/XllAQjSyL8xGqBifGNYbnWLE0PAqi4AWMBlA==",
-            "requires": {
-                "@types/camelcase": "5.2.0",
-                "camelcase": "5.3.1"
-            }
-        },
         "readable-stream": {
             "version": "2.3.7",
             "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-2.3.7.tgz",