Further expand the scope of usage for the enhacement to expr-is-constant.

FossilOrigin-Name: d7eadcf7dd089f0f4aa963c58f0df32edd951368c9906375fd62b0a61cd393b8

src/sqliteInt.h

@@ -5059,7 +5059,6 @@ u32 sqlite3IsTrueOrFalse(const char*);
 int sqlite3ExprIdToTrueFalse(Expr*);
 int sqlite3ExprTruthValue(const Expr*);
 int sqlite3ExprIsConstant(Parse*,Expr*);
-int sqlite3ExprIsConstantNotJoin(Expr*);
 int sqlite3ExprIsConstantOrFunction(Expr*, u8);
 int sqlite3ExprIsConstantOrGroupBy(Parse*, Expr*, ExprList*);
 int sqlite3ExprIsTableConstant(Expr*,int);