protected boolean removeComponent(FieldLocation loc) {
		Component comp = componentsByLocation.remove(loc);
		if (comp == null) {
			return false;
		}
		locationsByComponent.remove(comp);
		return true;
	}
Remove a component by its field location

@param loc the location of the field
@return true if there was a component placed at the given location
Ghidra/Framework/Docking/src/main/java/docking/widgets/fieldpanel/FieldPanelOverLayoutManager.java