Remove temporary tests

Author: tomasf

Package.resolved

@@ -4,25 +4,18 @@ import PackageDescription
 
 let package = Package(
     name: "ThreeMF",
-    platforms: [.macOS(.v10_15)],
     products: [
         .library(name: "ThreeMF", targets: ["ThreeMF"])
     ],
     dependencies: [
         .package(url: "https://github.com/tomasf/Zip.git", from: "2.0.0"),
-        .package(path: "../Nodal")
+        .package(url: "https://github.com/tomasf/Nodal.git", from: "0.3.1")
     ],
     targets: [
         .target(
             name: "ThreeMF",
             dependencies: ["Zip", "Nodal"],
             swiftSettings: [.interoperabilityMode(.Cxx)]
-        ),
-        .testTarget(
-            name: "Tests",
-            dependencies: ["ThreeMF"],
-            resources: [.copy("3MF")],
-            swiftSettings: [.interoperabilityMode(.Cxx)]
         )
     ]
 )