refactor: remove unnecessary Client#getSettings(), use Client#getVarps()

These two methods would return the same values for a majority (if not all) of the time. The backing
arrays for both of these are synchronized when the server sends the packet to set a varp value.

runescape-api/src/main/java/net/runelite/rs/api/RSClient.java

@@ -77,10 +77,6 @@ public interface RSClient extends RSGameEngine, Client
 	@Override
 	byte[][][] getTileSettings();
 
-	@Import("serverVarps")
-	@Override
-	int[] getSettings();
-
 	@Import("clientVarps")
 	@Override
 	int[] getVarps();