Revert "[watchlist] Add cbruni@ to api watchlist"

This reverts commit 9287befeea.

Reason for revert: Invalid syntax at line 39

Original change's description:
> [watchlist] Add cbruni@ to api watchlist
>
> - Remove unused ia32 watchlist group
> - Add api watchlist group
>
> Change-Id: Ia64d2368de54a846ce548a66eef7e96ee5579a3a
> Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3084365
> Reviewed-by: Jakob Gruber <jgruber@chromium.org>
> Commit-Queue: Camillo Bruni <cbruni@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#76189}

Change-Id: Ib53139c5b72d5715348f61397cd4e8427397fdef
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3085261
Bot-Commit: Rubber Stamper <rubber-stamper@appspot.gserviceaccount.com>
Commit-Queue: Jakob Gruber <jgruber@chromium.org>
Cr-Commit-Position: refs/heads/master@{#76193}

WATCHLISTS

@@ -33,9 +33,6 @@
 
 {
   'WATCHLIST_DEFINITIONS': {
-    'api': {
-      'filepath': 'include/'
-    }
     'snapshot': {
       'filepath': 'src/snapshot/',
     },
@@ -70,6 +67,9 @@
       'filepath': 'src/codegen/code-stub-assembler\.(cc|h)$' \
                   '|src/builtins/.*-gen.(cc|h)$',
     },
+    'ia32': {
+      'filepath': '/ia32/',
+    },
     'merges': {
       'filepath': '.',
     },
@@ -153,7 +153,6 @@
       'alph+watch@chromium.org',
       'lpy+v8tracing@chromium.org',
       'fmeawad@chromium.org',
-      'cbruni+watch@chromium.org'
     ],
     'ieee754': [
       'rtoy+watch@chromium.org',
@@ -163,11 +162,8 @@
       'jgruber+watch@chromium.org',
       'pthier+watch@chromium.org'
     ],
-    'bazel': [
+    'bazel' : [
       'victorgomes+watch@chromium.org'
     ],
-    'api': [
-      'cbruni+watch@chromium.org'
-    ],
   },
 }