change to peer dep

Author: csantero

package.json

@@ -44,7 +44,6 @@
     "ember-cli-string-utils": "^1.1.0",
     "ember-cli-test-info": "^1.0.0",
     "ember-cli-valid-component-name": "^1.0.0",
-    "ember-cli-version-checker": "^2.1.0",
     "ember-router-generator": "^1.2.3",
     "execa": "^0.9.0",
     "exists-sync": "^0.0.4",
@@ -90,6 +89,7 @@
     "typescript": "^2.7.1"
   },
   "peerDependencies": {
+    "ember-cli-version-checker": "^2.1.0",
     "typescript": "^2.4.2"
   },
   "engines": {