Delete all test isolate file now that M54 was branched.

The runtime dependencies data was successfully transitioned to GN.

Keep non-testing isolate as some projects (v8, webrtc) still need some. They
will be curated incrementally.

Ran:
  $ git rm $(git ls-files -- "*.isolate" | grep -i test | grep -v testserver)
  $ git ls-files -- "*.isolate" | wc -l
  14

TBR=dpranke@chromium.org
BUG=
CQ_INCLUDE_TRYBOTS=master.tryserver.blink:linux_precise_blink_rel

Review-Url: https://codereview.chromium.org/2257893002
Cr-Original-Commit-Position: refs/heads/master@{#415954}
Cr-Mirrored-From: https://chromium.googlesource.com/chromium/src
Cr-Mirrored-Commit: 95b6282dd54e942098f39c3e6e2a8553c8b759bd
1 file changed
tree: 4b3b8b3b6e4b97ee1b9654ff5c723ba5f383d8d6
  1. tools/