[test] Remove obsolete ubsan suppression

NOTRY=true

Bug: v8:3770
Change-Id: I2357aae4f6be8158cb5fd75e467aa943f4929abe
Reviewed-on: https://chromium-review.googlesource.com/c/1477281Reviewed-by: Jakob Kummerow <jkummerow@chromium.org>
Commit-Queue: Michael Achenbach <machenbach@chromium.org>
Cr-Commit-Position: refs/heads/master@{#59723}

tools/ubsan/blacklist.txt

 #############################################################################
 # UBSan blacklist.
 
-# UBSan bug, fixed in LLVM r350779. Drop this suppression when that
-# revision has rolled into Chromium's bundled Clang.
-fun:*v8*internal*NewArray*
-
 # Bug 8735: PropertyCallbackInfo<void> vs PropertyCallbackInfo<T>.
 fun:*v8*internal*PropertyCallbackArguments*CallAccessorSetter*
 fun:*v8*internal*PropertyCallbackArguments*BasicCallNamedGetterCallback*