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

LayoutTests/fast/regex/script-tests/early-acid3-86.js

Index: LayoutTests/fast/regex/script-tests/early-acid3-86.js
diff --git a/LayoutTests/fast/regex/script-tests/early-acid3-86.js b/LayoutTests/fast/regex/script-tests/early-acid3-86.js
deleted file mode 100644
index c13ba65b1d6fbdc5d485a17a555163f14b8c3da2..0000000000000000000000000000000000000000
--- a/LayoutTests/fast/regex/script-tests/early-acid3-86.js
+++ /dev/null
@@ -1,10 +0,0 @@
-description(
-'Test that covers capturing brackets, and was adapted from a part of an early version of Acid3.'
-);
-
-// JS regexps aren't like Perl regexps, if their character
-// classes start with a ] that means they're empty. So this
-// is a syntax error; if we get here it's a bug.
-shouldThrow("/TA[])]/.exec('TA]')");
-shouldBe("/[]/.exec('')", "null");
-shouldBe("/(\\3)(\\1)(a)/.exec('cat').toString()", "'a,,,a'");