C++: Remove co_await range-based-for support for now

Initial impl won't support it

Author: igfoo

cpp/ql/src/semmle/code/cpp/stmts/Stmt.qll

@@ -380,7 +380,7 @@ class ConstexprIfStmt extends ConditionalStmt, @stmt_constexpr_if {
   }
 }
 
-private class TLoop = @stmt_while or @stmt_end_test_while or @range_based_for_stmt or @stmt_for;
+private class TLoop = @stmt_while or @stmt_end_test_while or @stmt_range_based_for or @stmt_for;
 
 /**
  * A C/C++ loop, that is, either a 'while' loop, a 'for' loop, or a
@@ -832,7 +832,7 @@ class DoStmt extends Loop, @stmt_end_test_while {
  * ```
  * where `begin_expr` and `end_expr` depend on the type of `xs`.
  */
-class RangeBasedForStmt extends Loop, @range_based_for_stmt {
+class RangeBasedForStmt extends Loop, @stmt_range_based_for {
   override string getAPrimaryQlClass() { result = "RangeBasedForStmt" }
 
   /**
@@ -908,16 +908,6 @@ class RangeBasedForStmt extends Loop, @range_based_for_stmt {
   LocalVariable getAnIterationVariable() { result = getBeginVariable() }
 }
 
-/**
- * A C/C++ 'for await' statement.
- *
- * This represents a range-based 'for await' statement.
-class RangeBasedForAwaitStmt extends Loop, @stmt_range_based_for_co_await {
-  override string getAPrimaryQlClass() { result = "RangeBasedForAwaitStmt" }
-
-  override string toString() { result = "for co_await(...:...) ..." }
-}
-
 /**
  * A C/C++ 'for' statement.
  *

cpp/ql/src/semmlecode.cpp.dbscheme

@@ -1856,11 +1856,8 @@ case @stmt.kind of
 // ...  34 @stmt_finally_end deprecated
 |  35 = @stmt_constexpr_if
 |  37 = @stmt_co_return
-|  38 = @stmt_range_based_for_co_await
 ;
 
-@range_based_for_stmt = @stmt_range_based_for | @stmt_range_based_for_co_await;
-
 type_vla(
     int type_id: @type ref,
     int decl: @stmt_vla_decl ref