GitLab

Remove build/experimental/install-build-deps.py

This file hasn't been maintained for several years and is out-of-sync with
build/install-build-deps.sh.

BUG=508895
R=thestig

Change-Id: Idd69ada513ddcb8cf2ae9f1525cdd87419d460d2
Reviewed-on: https://chromium-review.googlesource.com/c/1434894
Auto-Submit: Thomas Anderson <thomasanderson@chromium.org>
Commit-Queue: Lei Zhang <thestig@chromium.org>
Reviewed-by: Lei Zhang <thestig@chromium.org>
Cr-Commit-Position: refs/heads/master@{#625764}