[dumpling] Delete patch file.

Main functionality was merged into codebase by now.

Bug: 441467877
Change-Id: Ibcd2c7873188e52cf0db0dcdfacf8150ee694107
Reviewed-on: https://chrome-internal-review.googlesource.com/c/v8/fuzzilli/+/8947917
Commit-Queue: Dominik Klemba <tacet@google.com>
Reviewed-by: Dominik Klemba <tacet@google.com>
Commit-Queue: Danylo Mocherniuk <mdanylo@google.com>

Author: Danylo Mocherniuk