[Build] Remove redundant third_party/guava dependency

src/third_party/guava dependency in DEPS is redundant with
src/third_party/android_deps/libs/com_google_guava_guava

BUG=None

Change-Id: I6b3fa4f90cb73ea90474c249c2e23e2c52463b56
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2642940Reviewed-by: Andrew Grieve <agrieve@chromium.org>
Commit-Queue: Peter Kotwicz <pkotwicz@chromium.org>
Cr-Commit-Position: refs/heads/master@{#845958}

DEPS

@@ -1000,17 +1000,6 @@ deps = {
       'condition': 'checkout_win',
   },
 
-  'src/third_party/guava': {
-      'packages': [
-          {
-              'package': 'chromium/third_party/guava',
-              'version': 'y8Zx7cKTiOunLhOrfC4hOt5kDQrLJ_Rq7ISDmXkPdYsC',
-          },
-      ],
-      'condition': 'checkout_android',
-      'dep_type': 'cipd',
-  },
-
   'src/third_party/gvr-android-sdk/src': {
       'url': Var('chromium_git') + '/external/github.com/googlevr/gvr-android-sdk.git' + '@' + '233e7fe922a543e0bc55382d64cacd047307d0e7',
       'condition': 'checkout_android',