flags: tweak metadata file

This change:
1) Removes enable-font-cache-scaling which was deleted by an earlier CL
2) Fixes a typo ("omners") in omnibox-zero-suggestions-on-ntp

The typo at (2) would have been caught by the every-entry-has-an-owner
requirement but that isn't enforced yet.

Bug: None
Change-Id: I1936ad1cfe238be54020d00a4e658523f3743105
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1594700
Auto-Submit: Elly Fong-Jones <ellyjones@chromium.org>
Commit-Queue: Avi Drissman <avi@chromium.org>
Reviewed-by: Avi Drissman <avi@chromium.org>
Cr-Commit-Position: refs/heads/master@{#656425}

chrome/browser/flag-metadata.json

@@ -1087,11 +1087,6 @@
     "owners": [ "rhalavati" ],
     "expiry_milestone": 76
   },
-  {
-    "name": "enable-font-cache-scaling",
-    // "owners": [ "your-team" ],
-    "expiry_milestone": 76
-  },
   {
     "name": "enable-fs-nosymfollow",
     "owners": [ "mortonm@chromium.org" ],
@@ -2616,7 +2611,7 @@
   },
   {
     "name": "omnibox-zero-suggestions-on-ntp",
-    "omners": [ "chrome-android-omnibox-team@google.com" ],
+    "owners": [ "chrome-android-omnibox-team@google.com" ],
     "expiry_milestone": 81
   },
   {