Don't try to copy stuff from packages

Makefile

@@ -32,26 +32,6 @@ build:
 	MONO_ENV_OPTIONS=$(monoopts) $(XBUILD) /p:Configuration=$(Configuration) /p:TargetFramework=net40 src/fsharp/fsi/Fsi.fsproj
 	MONO_ENV_OPTIONS=$(monoopts) $(XBUILD) /p:Configuration=$(Configuration) /p:TargetFramework=net40 src/fsharp/fsiAnyCpu/FsiAnyCPU.fsproj
 	MONO_ENV_OPTIONS=$(monoopts) $(XBUILD) /p:Configuration=$(Configuration) /p:TargetFramework=net40 tests/FSharp.Core.UnitTests/FSharp.Core.Unittests.fsproj
-	mkdir -p $(Configuration)/fsharp30/net40/bin
-	mkdir -p $(Configuration)/fsharp31/net40/bin
-	mkdir -p $(Configuration)/fsharp40/net40/bin
-	mkdir -p $(Configuration)/fsharp41/net40/bin
-	cp -p packages/FSharp.Core.3.0.2/lib/net40/* $(Configuration)/fsharp30/net40/bin
-	cp -p packages/FSharp.Core.3.1.2.5/lib/net40/* $(Configuration)/fsharp31/net40/bin
-	cp -p packages/FSharp.Core.4.0.0.1/lib/net40/* $(Configuration)/fsharp40/net40/bin
-	cp -p packages/FSharp.Core.4.1.18/lib/net40/* $(Configuration)/fsharp41/net40/bin
-	mkdir -p $(Configuration)/portable7/bin
-	cp -p packages/FSharp.Core.4.1.18/lib/portable-net45+netcore45/* $(Configuration)/portable7/bin
-	mkdir -p $(Configuration)/portable47/bin
-	cp -p packages/FSharp.Core.4.1.18/lib/portable-net45+sl5+netcore45/* $(Configuration)/portable47/bin
-	mkdir -p $(Configuration)/portable78/bin
-	cp -p packages/FSharp.Core.4.1.18/lib/portable-net45+netcore45+wp8/* $(Configuration)/portable78/bin
-	mkdir -p $(Configuration)/portable259/bin
-	cp -p packages/FSharp.Core.4.1.18/lib/portable-net45+netcore45+wpa81+wp8/* $(Configuration)/portable259/bin
-	mkdir -p $(Configuration)/monoandroid10+monotouch10+xamarinios10/bin
-	cp -p packages/FSharp.Core.4.1.18/lib/portable-net45+monoandroid10+monotouch10+xamarinios10/* $(Configuration)/monoandroid10+monotouch10+xamarinios10/bin
-	mkdir -p $(Configuration)/xamarinmacmobile/bin
-	cp -p packages/FSharp.Core.4.1.18/lib/xamarinmac20/* $(Configuration)/xamarinmacmobile/bin