protected void showMergeTool() {
		if (!mergeToolIsVisible) {
			mergeToolIsVisible = true;
			// center tool on screen
			Point centerLoc = WindowUtilities.centerOnScreen(mergeTool.getSize());
			mergeTool.setLocation(centerLoc.x, centerLoc.y);
		}
	}
Removes the component that is used to resolve conflicts. This method
is called by the MergeResolvers when user input is no longer required
using the specified component. 
@param comp component to show; if component is null, show the 
default component and do not block
Ghidra/Features/Base/src/main/java/ghidra/app/merge/MergeManager.java