@Override
	public boolean removeExternalLibrary(String name) {
		lock.acquire();
		try {
			Symbol s = symbolMgr.getLibrarySymbol(name);
			if (s != null) {
				if (symbolMgr.getChildren(s).hasNext()) {
					return false;
				}
				s.delete();
			}
		}
		finally {
			lock.release();
		}
		return true;
	}
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