Revert of [Offline Pages] Cleans up DEPS in offline_pages (patchset #2...

Revert of [Offline Pages] Cleans up DEPS in offline_pages (patchset #2 id:20001 of https://codereview.chromium.org/2950113002/ )

Reason for revert:
This seems to have broken checkdeps

Original issue's description:
> [Offline Pages] Cleans up DEPS in offline_pages
>
> This moves DEPS into prefetch that were put on core.
>
> BUG=NONE
>
> Review-Url: https://codereview.chromium.org/2950113002
> Cr-Commit-Position: refs/heads/master@{#481555}
> Committed: https://chromium.googlesource.com/chromium/src/+/4bd9a54564189647e023fce848681bfd82ca4d01

TBR=jochen@chromium.org,dimich@chromium.org,dewittj@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=NONE

Review-Url: https://codereview.chromium.org/2948923004
Cr-Commit-Position: refs/heads/master@{#481686}

components/offline_pages/core/DEPS

 include_rules = [
   "+components/keyed_service",
+  "+components/gcm_driver",
+  "+components/ntp_snippets",
+  "+components/version_info",
+  "+net",
   "+sql",
 ]

components/offline_pages/core/prefetch/DEPS

 include_rules = [
   "+google_apis",
-  "+components/gcm_driver",
-  "+components/ntp_snippets",
-  "+components/version_info",
-  "+net",
 ]