@Override
	public List<Symbol> getGlobalSymbols(String name) {
		return getSymbols(name, namespaceMgr.getGlobalNamespace());
	}
Removes the symbol directly

@param sym the symbol to remove.
@return true if the symbol was removed, false otherwise.
Ghidra/Framework/SoftwareModeling/src/main/java/ghidra/program/database/symbol/SymbolManager.java