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

LayoutTests/fast/regex/malformed-escapes-expected.txt

Index: LayoutTests/fast/regex/malformed-escapes-expected.txt
diff --git a/LayoutTests/fast/regex/malformed-escapes-expected.txt b/LayoutTests/fast/regex/malformed-escapes-expected.txt
deleted file mode 100644
index e369e23a6731a4ed13b99e7709e01fef180eeeff..0000000000000000000000000000000000000000
--- a/LayoutTests/fast/regex/malformed-escapes-expected.txt
+++ /dev/null
@@ -1,42 +0,0 @@
-This page tests handling of malformed escape sequences.
-
-On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".
-
-
-
-Testing regexp: /\ug/gm
-PASS regexp.test('ug') is true
-PASS regexp.lastIndex is 2
-
-Testing regexp: /\xg/gm
-PASS regexp.test('xg') is true
-PASS regexp.lastIndex is 2
-
-Testing regexp: /\c_/gm
-PASS regexp.test('\\c_') is true
-PASS regexp.lastIndex is 3
-
-Testing regexp: /[\B]/gm
-PASS regexp.test('B') is true
-PASS regexp.lastIndex is 1
-
-Testing regexp: /[\b]/gm
-PASS regexp.test('\b') is true
-PASS regexp.lastIndex is 1
-
-Testing regexp: /\8/gm
-PASS regexp.test('\\8') is true
-PASS regexp.lastIndex is 2
-
-Testing regexp: /^[\c]$/
-PASS regexp.test('c') is true
-
-Testing regexp: /^[\c_]$/
-PASS regexp.test('c') is false
-
-Testing regexp: /^[\c]]$/
-PASS regexp.test('c]') is true
-PASS successfullyParsed is true
-
-TEST COMPLETE
-