api: remove set/get game drawing mode

This is being moved internally

runelite-api/src/main/java/net/runelite/api/Client.java

@@ -908,20 +908,6 @@ public interface Client extends GameEngine
 	 */
 	long getOverallExperience();
 
-	/**
-	 * Gets the game drawing mode.
-	 *
-	 * @return the game drawing mode
-	 */
-	int getGameDrawingMode();
-
-	/**
-	 * Sets the games drawing mode.
-	 *
-	 * @param gameDrawingMode the new drawing mode
-	 */
-	void setGameDrawingMode(int gameDrawingMode);
-
 	/**
 	 * Refreshes the chat.
 	 */