rl-api, rl-client: Remove core logger

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

@@ -41,7 +41,6 @@ import net.runelite.api.vars.AccountType;
 import net.runelite.api.widgets.Widget;
 import net.runelite.api.widgets.WidgetConfig;
 import net.runelite.api.widgets.WidgetInfo;
-import org.slf4j.Logger;
 
 /**
  * Represents the RuneScape client.
@@ -57,12 +56,6 @@ public interface Client extends GameEngine
 
 	void setDrawCallbacks(DrawCallbacks drawCallbacks);
 
-	/**
-	 * Retrieve a global logger for the client.
-	 * This is most useful for mixins which can't have their own.
-	 */
-	Logger getLogger();
-
 	String getBuildID();
 
 	/**