remove FIXME in full_lighting.frag

data/full_lighting.frag

@@ -23,7 +23,7 @@ layout (std140) uniform lights
 	vec4 pl_colors[NUM_LIGHTS];
 	uint pl_intensities[NUM_LIGHTS]; // NOTE: 16 bytes * NUM_LIGHTS
 
-	vec4 dl_directions[NUM_LIGHTS]; // FIXME: should be directions
+	vec4 dl_directions[NUM_LIGHTS];
 	vec4 dl_colors[NUM_LIGHTS];
 	uint dl_intensities[NUM_LIGHTS]; // NOTE: 16 bytes * NUM_LIGHTS
 };