Disable mesh cache by default

minetest.conf.example

@@ -263,7 +263,7 @@
 #    Lower is darker, Higher is lighter. The valid range of values for this
 #    setting is 0.25 to 4.0 inclusive. If the value is out of range it will be
 #    set to the nearest valid value.
-#enable_mesh_cache = true
+#enable_mesh_cache = false
 #    Enables caching of facedir rotated meshes
 
 #enable_minimap = true

src/defaultsettings.cpp

@@ -175,7 +175,7 @@ void set_default_settings(Settings *settings)
 	settings->setDefault("enable_shaders", "true");
 	settings->setDefault("repeat_rightclick_time", "0.25");
 	settings->setDefault("enable_particles", "true");
-	settings->setDefault("enable_mesh_cache", "true");
+	settings->setDefault("enable_mesh_cache", "false");
 
 	settings->setDefault("enable_minimap", "true");
 	settings->setDefault("minimap_shape_round", "true");