trybot_analyze_config.json: Remove stale paths

Just a random cleanup I noticed. Should have no effect.

Bug: None
Change-Id: Iedcadbbb222b565bd094eb614ad002627330c47f
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2475754
Auto-Submit: Andrew Grieve <agrieve@chromium.org>
Commit-Queue: Ben Pastene <bpastene@chromium.org>
Reviewed-by: Ben Pastene <bpastene@chromium.org>
Cr-Commit-Position: refs/heads/master@{#817532}

testing/buildbot/trybot_analyze_config.json

@@ -8,10 +8,8 @@
     "exclusions": [
       ".*isolate",
       ".vpython",
-      "build/.*gyp[i]?",
       "build/check_gn_headers.py",
       "build/check_gn_headers_whitelist.txt",
-      "build/cipd/android/android.ensure",
       "build/fuchsia/.*py",
       "build/get_landmines.py",
       "build/gn_helpers.py",