Remove redundant Expr::expr from internal code

Author: Expurple

sea-orm-migration/src/migrator.rs

@@ -487,7 +487,7 @@ where
     ))
     .cond_where(
         Condition::all()
-            .add(Expr::expr(get_current_schema(db)).equals((
+            .add(get_current_schema(db).equals((
                 InformationSchema::TableConstraints,
                 InformationSchema::TableSchema,
             )))
@@ -532,10 +532,7 @@ where
         )
         .cond_where(
             Condition::all()
-                .add(
-                    Expr::expr(get_current_schema(db))
-                        .equals((PgNamespace::Table, PgNamespace::Nspname)),
-                )
+                .add(get_current_schema(db).equals((PgNamespace::Table, PgNamespace::Nspname)))
                 .add(Expr::col((PgType::Table, PgType::Typelem)).eq(0)),
         );
     stmt