Remove old tests that have been migrated to the v8 repo.

LayoutTests/fast/regex/script-tests/ecma-regex-examples.js

-description(
-"This page tests the regex examples from the ECMA-262 specification."
-);
-
-var regex01 = /a|ab/;
-shouldBe('regex01.exec("abc")', '["a"]');
-
-var regex02 = /((a)|(ab))((c)|(bc))/;
-shouldBe('regex02.exec("abc")', '["abc", "a", "a", undefined, "bc", undefined, "bc"]');
-
-var regex03 = /a[a-z]{2,4}/;
-shouldBe('regex03.exec("abcdefghi")', '["abcde"]');
-
-var regex04 = /a[a-z]{2,4}?/;
-shouldBe('regex04.exec("abcdefghi")', '["abc"]');
-
-var regex05 = /(aa|aabaac|ba|b|c)*/;
-shouldBe('regex05.exec("aabaac")', '["aaba", "ba"]');
-
-var regex06 = /^(a+)\1*,\1+$/;
-shouldBe('"aaaaaaaaaa,aaaaaaaaaaaaaaa".replace(regex06,"$1")', '"aaaaa"');
-
-var regex07 = /(z)((a+)?(b+)?(c))*/;
-shouldBe('regex07.exec("zaacbbbcac")', '["zaacbbbcac", "z", "ac", "a", undefined, "c"]');
-
-var regex08 = /(a*)*/;
-shouldBe('regex08.exec("b")', '["", undefined]');
-
-var regex09 = /(a*)b\1+/;
-shouldBe('regex09.exec("baaaac")', '["b", ""]');
-
-var regex10 = /(?=(a+))/;
-shouldBe('regex10.exec("baaabac")', '["", "aaa"]');
-
-var regex11 = /(?=(a+))a*b\1/;
-shouldBe('regex11.exec("baaabac")', '["aba", "a"]');
-
-var regex12 = /(.*?)a(?!(a+)b\2c)\2(.*)/;
-shouldBe('regex12.exec("baaabaac")', '["baaabaac", "ba", undefined, "abaac"]');