@Override
	public Library getExternalLibrary(String name) {
		Symbol s = symbolMgr.getLibrarySymbol(name);
		return s != null ? (Library) s.getObject() : null;
	}
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