Revert of Speedup stringsearch for two byte strings

test/mjsunit/string-indexof-1.js

Index: test/mjsunit/string-indexof-1.js
diff --git a/test/mjsunit/string-indexof-1.js b/test/mjsunit/string-indexof-1.js
index 366437a1a0a55cd5c8fa75439cbd8aa32faf8750..db3623f7c029cd4e55782fff38bd7cbed4231511 100644
--- a/test/mjsunit/string-indexof-1.js
+++ b/test/mjsunit/string-indexof-1.js
@@ -77,15 +77,6 @@
 //single char pattern
 assertEquals(4, twoByteString.indexOf("\u0395"));
 
-// test string with alignment traps
-var alignmentString = "\u1122\u2211\u2222\uFF00\u00FF\u00FF";
-assertEquals(2, alignmentString.indexOf("\u2222"));
-assertEquals(4, alignmentString.indexOf("\u00FF\u00FF"));
-
-var longAlignmentString = "\uFF00" + "\u00FF".repeat(10);
-assertEquals(1,
-    longAlignmentString.indexOf("\u00FF".repeat(10)));
-
 // Test complex string indexOf algorithms. Only trigger for long strings.
 
 // Long string that isn't a simple repeat of a shorter string.