Merge pull request #886 from Unity-Technologies/lw-vr-keywords

VR keywords are injected on build if the platform is needed. No need …

ScriptableRenderPipeline/LightweightPipeline/LWRP/Shaders/LightweightStandard.shader

 
             // -------------------------------------
             // Unity defined keywords
-            #pragma multi_compile _ UNITY_SINGLE_PASS_STEREO STEREO_INSTANCING_ON STEREO_MULTIVIEW_ON
             #pragma multi_compile _ DIRLIGHTMAP_COMBINED LIGHTMAP_ON
 
             //--------------------------------------

ScriptableRenderPipeline/LightweightPipeline/LWRP/Shaders/LightweightStandardSimpleLighting.shader

 
             // -------------------------------------
             // Unity defined keywords
-            #pragma multi_compile _ UNITY_SINGLE_PASS_STEREO STEREO_INSTANCING_ON STEREO_MULTIVIEW_ON
             #pragma multi_compile _ DIRLIGHTMAP_COMBINED LIGHTMAP_ON
 
             //--------------------------------------

ScriptableRenderPipeline/LightweightPipeline/LWRP/Shaders/LightweightStandardTerrain.shader

 
             // -------------------------------------
             // Unity defined keywords
-            #pragma multi_compile _ UNITY_SINGLE_PASS_STEREO STEREO_INSTANCING_ON STEREO_MULTIVIEW_ON
             #pragma multi_compile _ DIRLIGHTMAP_COMBINED LIGHTMAP_ON
             #pragma multi_compile __ _TERRAIN_NORMAL_MAP
 

ScriptableRenderPipeline/LightweightPipeline/LWRP/Shaders/LightweightStandardUnlit.shader

             #pragma prefer_hlslcc gles
             #pragma vertex vert
             #pragma fragment frag
-            #pragma multi_compile _ UNITY_SINGLE_PASS_STEREO STEREO_INSTANCING_ENABLE STEREO_MULTIVIEW_ENABLE
             #pragma multi_compile_fog
             #pragma shader_feature _SAMPLE_GI
             #pragma shader_feature _ _ALPHATEST_ON _ALPHABLEND_ON

TestbedPipelines/BasicRenderPipeline/BasicRenderPipelineShader.shader

 #pragma target 3.0
 #pragma vertex vert
 #pragma fragment frag
-#pragma multi_compile _ UNITY_SINGLE_PASS_STEREO STEREO_INSTANCING_ON STEREO_MULTIVIEW_ON
 #pragma shader_feature _METALLICGLOSSMAP
 #include "UnityCG.cginc"
 #include "UnityStandardBRDF.cginc"