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

LayoutTests/fast/js/regexp-non-capturing-groups-expected.txt

Index: LayoutTests/fast/js/regexp-non-capturing-groups-expected.txt
diff --git a/LayoutTests/fast/js/regexp-non-capturing-groups-expected.txt b/LayoutTests/fast/js/regexp-non-capturing-groups-expected.txt
deleted file mode 100644
index 60d7ebc8e77c7bb2126f4de816f99563fba585c4..0000000000000000000000000000000000000000
--- a/LayoutTests/fast/js/regexp-non-capturing-groups-expected.txt
+++ /dev/null
@@ -1,23 +0,0 @@
-Test for behavior of non-capturing groups, as described in a blog post by Steven Levithan and bug 14931.
-
-On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".
-
-
-PASS /(x)?\1y/.test("y") is true
-PASS /(x)?\1y/.exec("y") is ["y", undefined]
-PASS /(x)?y/.exec("y") is ["y", undefined]
-PASS "y".match(/(x)?\1y/) is ["y", undefined]
-PASS "y".match(/(x)?y/) is ["y", undefined]
-PASS "y".match(/(x)?\1y/g) is ["y"]
-PASS "y".split(/(x)?\1y/) is ["", undefined, ""]
-PASS "y".split(/(x)?y/) is ["", undefined, ""]
-PASS "y".search(/(x)?\1y/) is 0
-PASS "y".replace(/(x)?\1y/, "z") is "z"
-PASS "y".replace(/(x)?y/, "$1") is ""
-PASS "y".replace(/(x)?\1y/, function($0, $1){ return String($1); }) is "undefined"
-PASS "y".replace(/(x)?y/, function($0, $1){ return String($1); }) is "undefined"
-PASS "y".replace(/(x)?y/, function($0, $1){ return $1; }) is "undefined"
-PASS successfullyParsed is true
-
-TEST COMPLETE
-