Object Mode Engine: Small cleanup

source/blender/draw/modes/shaders/edit_mesh_overlay_facedot_frag.glsl

@@ -1,7 +1,7 @@
 
 flat in int isSelected;
 #ifdef VERTEX_FACING
-in float facing;
+flat in float facing;
 #endif
 
 out vec4 FragColor;

source/blender/draw/modes/shaders/edit_mesh_overlay_facedot_vert.glsl

@@ -10,10 +10,8 @@ flat out int isSelected;
 uniform mat4 ProjectionMatrix;
 uniform mat4 ModelViewMatrix;
 uniform mat3 NormalMatrix;
-uniform vec3 eye;
 
-in vec3 vnor;
-out float facing;
+flat out float facing;
 #endif
 
 void main()

source/blender/draw/modes/shaders/edit_mesh_overlay_vert.glsl

@@ -18,7 +18,6 @@ out ivec4 vData;
 #ifdef VERTEX_FACING
 uniform mat4 ProjectionMatrix;
 uniform mat3 NormalMatrix;
-uniform vec3 eye;
 
 in vec3 vnor;
 out float vFacing;