[MB] Migrate remaining clusterfuzz bots to new waterfall

TBR=tandrii@chromium.org,kjellander@chromium.org
NOTRY=true
NOTREECHECKS=true

Bug: chromium:726584
Change-Id: Ia0b2cbde1949adced9554b0fb1420c21405d24f3
Reviewed-on: https://chromium-review.googlesource.com/522608Reviewed-by: Michael Achenbach <machenbach@chromium.org>
Commit-Queue: Michael Achenbach <machenbach@chromium.org>
Cr-Commit-Position: refs/heads/master@{#45680}

infra/mb/mb_config.pyl

@@ -103,8 +103,6 @@
     'client.v8.clusterfuzz': {
       'V8 Linux64 - release builder': 'gn_release_x64_correctness_fuzzer',
       'V8 Linux64 - debug builder': 'gn_debug_x64',
-    },
-    'client.v8.fyi': {
       'V8 Linux64 ASAN no inline - release builder':
           'gn_release_x64_asan_symbolized_edge_verify_heap',
       'V8 Linux64 ASAN - debug builder': 'gn_debug_x64_asan_edge',