Remove jsfiddle from top level Makefile
Remove jsfiddle from top level Makefile

It was migrated to Bazel already.

Change-Id: I7da78ea4e3e6160aa7d2fdab3c49c7f3e46af041
Reviewed-on: https://skia-review.googlesource.com/c/buildbot/+/485079
Reviewed-by: Ravi Mistry <9fa2e7438b8cb730f96b74865492597170561628@google.com>

google/skia-buildbot,google/skia-buildbot,google/skia-buildbot,google/skia-buildbot,google/skia-buildbot,google/skia-buildbot,google/skia-buildbot,google/skia-buildbot