private void clearBlock(MemoryBlock block) {
		Listing listing = program.getListing();
		Address endAddr = tebAddress.add(blockSize - 1);
		listing.clearCodeUnits(tebAddress, endAddr, false);
		SymbolTable symbolTable = program.getSymbolTable();
		SymbolIterator iter = symbolTable.getSymbolIterator(tebAddress, true);
		while (iter.hasNext()) {
			Symbol sym = iter.next();
			if (!block.contains(sym.getAddress())) {
				break;
			}
			sym.delete();
		}
	}
Clear any Symbols or CodeUnits on the given block
@param block is the specific MemoryBlock to clear
Ghidra/Features/Base/src/main/java/ghidra/app/util/datatype/microsoft/ThreadEnvironmentBlock.java