[improvement](global context) remove some unused method from runtime state (#16329)

This is part of #16296.
---------

Co-authored-by: yiguolei <yiguolei@gmail.com>

be/src/exec/exec_node.cpp

@@ -525,12 +525,6 @@ void ExecNode::reached_limit(vectorized::Block* block, bool* eos) {
     COUNTER_SET(_rows_returned_counter, _num_rows_returned);
 }
 
-Status ExecNode::QueryMaintenance(RuntimeState* state, const std::string& msg) {
-    // TODO chenhao , when introduce latest AnalyticEvalNode open it
-    // ScalarExprEvaluator::FreeLocalAllocations(evals_to_free_);
-    return state->check_query_state(msg);
-}
-
 Status ExecNode::get_next(RuntimeState* state, vectorized::Block* block, bool* eos) {
     return Status::NotSupported("Not Implemented get block");
 }