Remove runtime flags for sloppy mode block scoping features

test/mjsunit/es6/block-let-declaration-sloppy.js

Index: test/mjsunit/es6/block-let-declaration-sloppy.js
diff --git a/test/mjsunit/harmony/block-let-declaration-sloppy.js b/test/mjsunit/es6/block-let-declaration-sloppy.js
similarity index 99%
rename from test/mjsunit/harmony/block-let-declaration-sloppy.js
rename to test/mjsunit/es6/block-let-declaration-sloppy.js
index af95553bd0f05d8978d5bd72770fee2955356c4e..ea0e39bd07f2e39dded587ef6e44e2aac8dab248 100644
--- a/test/mjsunit/harmony/block-let-declaration-sloppy.js
+++ b/test/mjsunit/es6/block-let-declaration-sloppy.js
@@ -27,8 +27,6 @@
 
 // Test let declarations in various settings.
 
-// Flags: --harmony-sloppy --harmony-sloppy-let
-
 // Global
 let x;
 let y = 2;