public void removeEventListener(Class<? extends PluginEvent> eventClass,
			PluginEventListener listener) {
		eventMgr.removeEventListener(eventClass, listener);
	}
Return the location of this tool's frame on the screen.
@return location of this tool's frame
Ghidra/Framework/Project/src/main/java/ghidra/framework/plugintool/PluginTool.java