Drop shess from safe-browsing OWNERS.

Cleaning up before I head off into the sunset.

BUG=none
R=nparker@chromium.org

Review-Url: https://codereview.chromium.org/2810823002
Cr-Commit-Position: refs/heads/master@{#463341}

chrome/browser/safe_browsing/OWNERS

 mattm@chromium.org
 nparker@chromium.org
 
-# For Pver3 storage-related changes:
-shess@chromium.org
-
 # For download-protection- and reporting-related changes:
 jialiul@chromium.org

chrome/common/safe_browsing/OWNERS

 jialiul@chromium.org
 mattm@chromium.org
 nparker@chromium.org
-shess@chromium.org
+vakh@chromium.org
 
 per-file *_messages*.h=set noparent
 per-file *_messages*.h=file://ipc/SECURITY_OWNERS

chrome/renderer/safe_browsing/OWNERS

 mattm@chromium.org
 nparker@chromium.org
-shess@chromium.org
+jialiul@chromium.org

chrome/utility/safe_browsing/OWNERS

 mattm@chromium.org
 nparker@chromium.org
-shess@chromium.org
+jialiul@chromium.org

components/safe_browsing/OWNERS

 jialiul@chromium.org
 mattm@chromium.org
 nparker@chromium.org
-shess@chromium.org
 
 # For componentization
 timvolodine@chromium.org