fixup: reflection cubemap doesn't need lightFactor

Author: illwieckz

src/engine/renderer/gl_shader.cpp

@@ -2664,7 +2664,6 @@ GLShader_reflection::GLShader_reflection( GLShaderManager *manager ):
 	u_NormalScale( this ),
 	u_VertexInterpolation( this ),
 	u_CameraPosition( this ),
-	u_LightFactor( this ),
 	GLDeformStage( this ),
 	GLCompileMacro_USE_VERTEX_SKINNING( this ),
 	GLCompileMacro_USE_VERTEX_ANIMATION( this ),

src/engine/renderer/gl_shader.h

@@ -4289,7 +4289,6 @@ class GLShader_reflection :
 	public u_NormalScale,
 	public u_VertexInterpolation,
 	public u_CameraPosition,
-	public u_LightFactor,
 	public GLDeformStage,
 	public GLCompileMacro_USE_VERTEX_SKINNING,
 	public GLCompileMacro_USE_VERTEX_ANIMATION,