Remove unnecessary preprocessor variable in shaders

files/shaders/lighting.glsl

@@ -14,7 +14,7 @@ void perLight(out vec3 ambientOut, out vec3 diffuseOut, int lightIndex, vec3 vie
     diffuseOut = diffuse.xyz * gl_LightSource[lightIndex].diffuse.xyz * max(dot(viewNormal.xyz, lightDir), 0.0) * illumination;
 }
 
-#ifdef FRAGMENT
+#ifdef PER_PIXEL_LIGHTING
 vec4 doLighting(vec3 viewPos, vec3 viewNormal, vec4 vertexColor, float shadowing)
 #else
 vec4 doLighting(vec3 viewPos, vec3 viewNormal, vec4 vertexColor, out vec3 shadowDiffuse)

files/shaders/objects_fragment.glsl

@@ -1,7 +1,5 @@
 #version 120
 
-#define FRAGMENT
-
 #if @diffuseMap
 uniform sampler2D diffuseMap;
 varying vec2 diffuseMapUV;

files/shaders/terrain_fragment.glsl

@@ -1,7 +1,5 @@
 #version 120
 
-#define FRAGMENT
-
 varying vec2 uv;
 
 uniform sampler2D diffuseMap;