protected void remove(PcodeOp op) {
		PcodeOpAST opast = (PcodeOpAST) op;
		opast.setParent(null);
		oplist.remove(op.getBasicIter());
	}
Remove a PcodeOp from the block
@param op is the PcodeOp to remove
Ghidra/Framework/SoftwareModeling/src/main/java/ghidra/program/model/pcode/PcodeBlockBasic.java