glowTexture was listed twice;

api/lovr/graphics/newMaterial.lua

@@ -81,11 +81,6 @@ return {
           type = 'Texture',
           description = 'TODO'
         },
-        {
-          name = 'glowTexture',
-          type = 'Texture',
-          description = 'TODO'
-        },
         {
           name = 'occlusionTexture',
           type = 'Texture',