Fixed Glsl/Msl generators, updated test, and removed unused osl files. #24

Job	Run time
Python SDist	0s
Build (Linux_GCC_10_Python37, ubuntu-22.04, gcc, 10, 3.7, -DMATERIALX_BUILD_SHARED_LIBS=ON -DMATE...	9m 40s
Build (Linux_GCC_13_Python311, ubuntu-24.04, gcc, 13, 3.11, ON)	16m 2s
Build (Linux_GCC_14_Python312, ubuntu-24.04, gcc, 14, 3.12)	7m 50s
Build (Linux_GCC_CoverageAnalysis, ubuntu-24.04, gcc, None, None, ON, -DMATERIALX_COVERAGE_ANALYS...	4m 32s
Build (Linux_Clang_13_Python37, ubuntu-22.04, clang, 13, 3.7, -DMATERIALX_BUILD_SHARED_LIBS=ON)	8m 14s
Build (Linux_Clang_18_Python312, ubuntu-24.04, clang, 18, 3.12, ON, ON)	10m 9s
Build (MacOS_Xcode_14_Python39, macos-13, xcode, 14.1, -DMATERIALX_BUILD_SHARED_LIBS=ON, 3.9)	18m 24s
Build (MacOS_Xcode_14_Python311, macos-14, xcode, 14.3, 3.11, ON, -DCMAKE_EXPORT_COMPILE_COMMANDS...	6m 45s
Build (MacOS_Xcode_15_Python312, macos-14, xcode, 15.4, 3.12, ON)	7m 34s
Build (MacOS_Xcode_DynamicAnalysis, macos-14, xcode, 15.4, None, ON, -DMATERIALX_DYNAMIC_ANALYSIS...	7m 43s
Build (iOS_Xcode_15, macos-14, xcode, 15.4, None, -DCMAKE_SYSTEM_NAME=iOS -DCMAKE_OSX_SYSROOT=`xc...	1m 44s
Build (Windows_VS2019_Win32_Python37, windows-2019, x86, 3.7, -G "Visual Studio 16 2019" -A "Win3...	9m 23s
Build (Windows_VS2022_x64_Python311, windows-2022, x64, 3.11, -G "Visual Studio 17 2022" -A "x64"...	8m 56s
Build (Windows_VS2022_x64_Python312, windows-2022, x64, 3.12, -G "Visual Studio 17 2022" -A "x64"...	8m 1s
Python Wheels	0s
	2h 4m 57s

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