Added IgnoreProjector tag to shaders as projectors will not be supported on SRP.

ScriptableRenderPipeline/LightweightPipeline/LWRP/Shaders/LightweightScreenSpaceShadows.shader

 {
     SubShader
     {
-        Tags{ "RenderPipeline" = "LightweightPipeline" }
+        Tags{ "RenderPipeline" = "LightweightPipeline" "IgnoreProjector" = "True"}
 
         HLSLINCLUDE
 

ScriptableRenderPipeline/LightweightPipeline/LWRP/Shaders/LightweightStandard.shader

         // Lightweight Pipeline tag is required. If Lightweight pipeline is not set in the graphics settings
         // this Subshader will fail. One can add a subshader below or fallback to Standard built-in to make this
         // material work with both Lightweight Pipeline and Builtin Unity Pipeline
-        Tags{"RenderType" = "Opaque" "RenderPipeline" = "LightweightPipeline"}
+        Tags{"RenderType" = "Opaque" "RenderPipeline" = "LightweightPipeline" "IgnoreProjector" = "True"}
         LOD 300
 
         // ------------------------------------------------------------------

ScriptableRenderPipeline/LightweightPipeline/LWRP/Shaders/LightweightStandardSimpleLighting.shader

 
     SubShader
     {
-        Tags { "RenderType" = "Opaque" "RenderPipeline" = "LightweightPipeline" }
+        Tags { "RenderType" = "Opaque" "RenderPipeline" = "LightweightPipeline" "IgnoreProjector" = "True"}
         LOD 300
 
         Pass

ScriptableRenderPipeline/LightweightPipeline/LWRP/Shaders/LightweightStandardTerrain.shader

 
     SubShader
     {
-        Tags { "Queue" = "Geometry-100" "RenderType" = "Opaque" "RenderPipeline" = "LightweightPipeline" }
+        Tags { "Queue" = "Geometry-100" "RenderType" = "Opaque" "RenderPipeline" = "LightweightPipeline" "IgnoreProjector" = "True"}
 
         Pass
         {
             #pragma multi_compile _ _VERTEX_LIGHTS
             #pragma multi_compile _ _MIXED_LIGHTING_SUBTRACTIVE
             #pragma multi_compile _ FOG_LINEAR FOG_EXP2
-            
+
             // -------------------------------------
             // Unity defined keywords
             #pragma multi_compile _ DIRLIGHTMAP_COMBINED

ScriptableRenderPipeline/LightweightPipeline/LWRP/Shaders/LightweightStandardUnlit.shader

     }
     SubShader
     {
-        Tags { "RenderType" = "Opaque" "IgnoreProjectors" = "True" "RenderPipeline" = "LightweightPipeline" }
+        Tags { "RenderType" = "Opaque" "IgnoreProjectors" = "True" "RenderPipeline" = "LightweightPipeline" "IgnoreProjector" = "True"}
         LOD 100
 
         Blend [_SrcBlend][_DstBlend]