@Override
	public boolean applyTo(Program program, TaskMonitor monitor) {
		FunctionManager functionManager = program.getFunctionManager();
		FunctionTag tag = functionManager.getFunctionTagManager().getFunctionTag(tagName);
		if (tag != null) {
			tag.delete();
		}
		return true;
	}
Constructor

@param tagName the name of the tag to delete
Ghidra/Features/Base/src/main/java/ghidra/app/cmd/function/DeleteFunctionTagCmd.java