removing submodule

depends/rpi-rgb-led-matrix/bindings/c#/Makefile

@@ -0,0 +1,34 @@
+# This Makefile is intended to be used only by the toplevel Makefile.
+# For any other purposes, use .NET SDK build tools directly
+
+# Don't forget to synchronize these variables with the 'RPiRgbLEDMatrix.csproj' file
+RGB_LIBDIR=../../lib
+RGB_LIBRARY_NAME=rgbmatrix
+RGB_LIBRARY=$(RGB_LIBDIR)/lib$(RGB_LIBRARY_NAME).so.1
+
+NUGET_VERSION = 1.0.0
+NUGET_ID = HZeller.RPiRgbLEDMatrix
+NUGET_CONFIG = Release
+
+NUGET_PACKAGE = /bin/$(NUGET_CONFIG)/$(NUGET_ID).$(NUGET_VERSION).nupkg
+
+$(NUGET_PACKAGE): $(RGB_LIBRARY)
+	dotnet pack -c $(NUGET_CONFIG) -p:SkipNative=false -p:PackageId=$(NUGET_ID) -p:Version=$(NUGET_VERSION)
+
+# The examples also depend on the 'RPiRgbLEDMatrix.csproj', but this will be handled by 'dotnet'
+build: $(RGB_LIBRARY)
+	dotnet build examples/FontExample/FontExample.csproj -p:SkipNative=false
+	dotnet build examples/MatrixRain/MatrixRain.csproj -p:SkipNative=false
+	dotnet build examples/MinimalExample/MinimalExample.csproj -p:SkipNative=false
+	dotnet build examples/PulsingBrightness/PulsingBrightness.csproj -p:SkipNative=false
+	dotnet build examples/Rotating3DCube/Rotating3DCube.csproj -p:SkipNative=false
+	dotnet build examples/PlayGIF/PlayGIF.csproj -p:SkipNative=false
+
+$(RGB_LIBRARY):
+	$(MAKE) -C $(RGB_LIBDIR)
+
+# Used by toplevel Makefile
+nuget: $(NUGET_PACKAGE)
+
+# Used in 'RPiRgbLEDMatrix.csproj'
+library: $(RGB_LIBRARY)