Fix compilation error Alpha cutoff shader due to unused properties

Author: LGhassen

shaders/DeferredKSPShaders/Assets/Shaders/Replaced shaders/Part shaders/AlphaCutoff.shader

@@ -3,12 +3,8 @@
     Properties 
     {
         _MainTex("Color Map", 2D) = "gray" {}
-        _BumpMap("Normal Map", 2D) = "bump" {}
-        _Shininess ("Shininess", Range (0.0, 1.0)) = 0.5
         _Color ("Part Color", Color) = (1.0, 1.0, 1.0, 1.0)
         _Cutoff("Alpha cutoff", Range(0,1)) = 0.5
-        _SpecColor ("Specular Color", Color) = (0.5, 0.5, 0.5, 1.0)
-        _EmissiveColor("Emissive Color", Color) = (0.0, 0.0, 0.0, 1.0)
         [PerRendererData]_RimFalloff("Rim Falloff", Range(0.0, 10.0) ) = 0.1
         [PerRendererData]_RimColor("Rim Color", Color) = (0.0, 0.0, 0.0, 0.0)
         [PerRendererData]_TemperatureColor("Temperature Color", Color) = (0.0, 0.0, 0.0, 0.0)