Revert of [string] Migrate String.prototype.{split,replace} to TF

test/mjsunit/string-replace.js

Index: test/mjsunit/string-replace.js
diff --git a/test/mjsunit/string-replace.js b/test/mjsunit/string-replace.js
index b391b8c2f5f98c30288cdcb2f66078d5121107dd..e8392ae2bf0b25bd44e028e47e570dd523317fd8 100644
--- a/test/mjsunit/string-replace.js
+++ b/test/mjsunit/string-replace.js
@@ -283,16 +283,3 @@
 
 testIndices59(new RegExp(regexp59pattern));
 testIndices59(new RegExp(regexp59pattern, "g"));
-
-// Test that ToString(replace) is called.
-
-let replace_tostring_count = 0;
-const fake_replacer = {
-  [Symbol.toPrimitive]: () => { replace_tostring_count++; return "b"; }
-};
-
-"a".replace("x", fake_replacer);
-assertEquals(1, replace_tostring_count);
-
-"a".replace("a", fake_replacer);
-assertEquals(2, replace_tostring_count);