Do not report missing collating functions while parsing the schema.

Also remove a stray comment.

FossilOrigin-Name: e313edca0472f07e9b872b92120d80b4bc177328

src/expr.c

@@ -112,7 +112,12 @@ CollSeq *sqlite3ExprCollSeq(Parse *pParse, Expr *pExpr){
       continue;
     }
     if( op==TK_COLLATE ){
-      pColl = sqlite3GetCollSeq(pParse, ENC(db), 0, p->u.zToken);
+      if( db->init.busy ){
+        /* Do not report errors when parsing while the schema */
+        pColl = sqlite3FindCollSeq(db, ENC(db), p->u.zToken, 0);
+      }else{
+        pColl = sqlite3GetCollSeq(pParse, ENC(db), 0, p->u.zToken);
+      }
       break;
     }
     if( p->pTab!=0

src/select.c

@@ -2337,7 +2337,6 @@ static int multiSelectOrderBy(
           pColl = sqlite3ExprCollSeq(pParse, pTerm);
         }else{
           pColl = multiSelectCollSeq(pParse, p, aPermute[i]);
-//          pTerm->flags |= EP_Collate;
         }
         pKeyMerge->aColl[i] = pColl;
         pKeyMerge->aSortOrder[i] = pOrderBy->a[i].sortOrder;