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

LayoutTests/fast/regex/script-tests/invalid-range-in-class.js

-description(
-"This page tests invalid character ranges in character classes."
-);
-
-// These test a basic range / non range.
-shouldBe('/[a-c]+/.exec("-acbd");', '["acb"]');
-shouldBe('/[a\\-c]+/.exec("-acbd")', '["-ac"]');
-
-// A reverse-range is invalid.
-shouldThrow('/[c-a]+/.exec("-acbd");');
-
-// A character-class in a range is invalid, according to ECMA-262, but we allow it.
-shouldBe('/[\\d-x]+/.exec("1-3xy");', '["1-3x"]');
-shouldBe('/[x-\\d]+/.exec("1-3xy");', '["1-3x"]');
-shouldBe('/[\\d-\\d]+/.exec("1-3xy");', '["1-3"]');
-
-// Whilst we break with ECMA-262's definition of CharacterRange, we do comply with
-// the grammar, and as such in the following regex a-z cannot be matched as a range.
-shouldBe('/[\\d-a-z]+/.exec("az1-3y");', '["az1-3"]');
-
-// An escaped hypen should not be confused for an invalid range.
-shouldBe('/[\\d\\-x]+/.exec("1-3xy");', '["1-3x"]');
-shouldBe('/[x\\-\\d]+/.exec("1-3xy");', '["1-3x"]');
-shouldBe('/[\\d\\-\\d]+/.exec("1-3xy");', '["1-3"]');
-
-// A hyphen after a character-class is not invalid.
-shouldBe('/[\\d-]+/.exec("1-3xy")', '["1-3"]');