Unify separate GL/GLES code paths for love’s built in matrices in shaders.

--HG--
branch : minor

src/modules/graphics/opengl/wrap_Graphics.lua

@@ -46,7 +46,6 @@ GLSL.SYNTAX = [[
 
 -- Uniforms shared by the vertex and pixel shader stages.
 GLSL.UNIFORMS = [[
-#ifdef GL_ES
 // According to the GLSL ES 1.0 spec, uniform precision must match between stages,
 // but we can't guarantee that highp is always supported in fragment shaders...
 // We *really* don't want to use mediump for these in vertex shaders though.
@@ -59,12 +58,6 @@ uniform LOVE_UNIFORM_PRECISION mat4 TransformMatrix;
 uniform LOVE_UNIFORM_PRECISION mat4 ProjectionMatrix;
 uniform LOVE_UNIFORM_PRECISION mat4 TransformProjectionMatrix;
 uniform LOVE_UNIFORM_PRECISION mat3 NormalMatrix;
-#else
-#define TransformMatrix gl_ModelViewMatrix
-#define ProjectionMatrix gl_ProjectionMatrix
-#define TransformProjectionMatrix gl_ModelViewProjectionMatrix
-#define NormalMatrix gl_NormalMatrix
-#endif
 uniform mediump vec4 love_ScreenSize;]]
 
 GLSL.FUNCTIONS = [[