public boolean removeExternalLocation(Address externalAddr) {
		lock.acquire();
		try {
			ExternalLocationDB loc = (ExternalLocationDB) getExtLocation(externalAddr);
			if (loc != null) {
				loc.getSymbol().delete();
				return true;
			}
		}
		finally {
			lock.release();
		}
		return false;
	}
Removes the external location at the given external address
@param externalAddr the address at which to remove the external location.
@return true if external location was successfully removed else false
Ghidra/Framework/SoftwareModeling/src/main/java/ghidra/program/database/external/ExternalManagerDB.java