remove some unused includes

src/mbgl/renderer/painter_debug.cpp

@@ -1,8 +1,14 @@
 #include <mbgl/renderer/painter.hpp>
 #include <mbgl/renderer/debug_bucket.hpp>
 #include <mbgl/map/tile.hpp>
+#include <mbgl/map/tile_data.hpp>
+#include <mbgl/shader/plain_shader.hpp>
 #include <mbgl/util/string.hpp>
 
+#ifndef BUFFER_OFFSET
+#define BUFFER_OFFSET(i) ((char *)nullptr + (i))
+#endif
+
 using namespace mbgl;
 
 void Painter::renderTileDebug(const Tile& tile) {