Re-disable content_shell_crash_test on Linux Tests (dbg)(1)(32).

Follow-up to https://chromium-review.googlesource.com/c/chromium/src/+/1120225,
the test doesn't pass on the 32-bit linux dbg bot.

TBR=kbr

Bug: 859264,843511
Change-Id: I99ddef5bc637444ccb0023df528123f14bee0fed
Reviewed-on: https://chromium-review.googlesource.com/1121521Reviewed-by: Nico Weber <thakis@chromium.org>
Commit-Queue: Nico Weber <thakis@chromium.org>
Cr-Commit-Position: refs/heads/master@{#571746}

testing/buildbot/chromium.linux.json

@@ -2870,13 +2870,6 @@
       }
     ],
     "isolated_scripts": [
-      {
-        "isolate_name": "content_shell_crash_test",
-        "name": "content_shell_crash_test",
-        "swarming": {
-          "can_use_on_swarming_builders": true
-        }
-      },
       {
         "isolate_name": "metrics_python_tests",
         "name": "metrics_python_tests",

testing/buildbot/test_suite_exceptions.pyl

@@ -854,6 +854,12 @@
       },
     },
   },
+  'content_shell_crash_test': {
+    'remove_from': [
+      # chromium.linux
+      'Linux Tests (dbg)(1)(32)',  # https://crbug.com/859264
+    ],
+  },
   'content_shell_test_apk': {
     'remove_gtest_from': [
       # chromium.android.fyi