Removed old broken code coverage tool.
https://bugs.webkit.org/show_bug.cgi?id=117520
Reviewed by Sam Weinig.
* CodeCoverage: Removed.
* CodeCoverage/README: Removed.
* CodeCoverage/amber.png: Removed.
* CodeCoverage/cov.py: Removed.
* CodeCoverage/emerald.png: Removed.
* CodeCoverage/gcov.css: Removed.
* CodeCoverage/glass.png: Removed.
* CodeCoverage/regenerate-coverage-display: Removed.
* CodeCoverage/ruby.png: Removed.
* CodeCoverage/run-generate-coverage-data: Removed.
* CodeCoverage/snow.png: Removed.
git-svn-id: https://svn.webkit.org/repository/webkit/trunk@151472
268f45cc-cd09-0410-ab3c-
d52691b4dbfc