static removeBinaryOp(op_name) {
		delete Jsep.binary_ops[op_name];

		if (op_name.length === Jsep.max_binop_len) {
			Jsep.max_binop_len = Jsep.getMaxKeyLen(Jsep.binary_ops);
		}
		Jsep.right_associative.delete(op_name);

		return Jsep;
	}
@method removeBinaryOp
@param {string} op_name The name of the binary op to remove
@returns {Jsep}