Remove -label:verification-found from verification queries. (microsoft#181282)

Often, either this label is added without reopening the issue, or the issue is fixed without removing the label. In both cases the issue can currently just get lost.

Author: roblourens

.vscode/notebooks/endgame.github-issues

@@ -112,7 +112,7 @@
   {
     "kind": 2,
     "language": "github-issues",
-    "value": "$REPOS $MILESTONE is:issue is:closed reason:completed sort:updated-asc label:bug -label:verified -label:on-testplan -label:*duplicate -label:duplicate -label:invalid -label:*as-designed -label:error-telemetry -label:verification-steps-needed -label:verification-found -label:z-author-verified -label:unreleased"
+    "value": "$REPOS $MILESTONE is:issue is:closed reason:completed sort:updated-asc label:bug -label:verified -label:on-testplan -label:*duplicate -label:duplicate -label:invalid -label:*as-designed -label:error-telemetry -label:verification-steps-needed -label:z-author-verified -label:unreleased"
   },
   {
     "kind": 1,
@@ -122,7 +122,7 @@
   {
     "kind": 2,
     "language": "github-issues",
-    "value": "$REPOS $MILESTONE is:issue is:closed reason:completed sort:updated-asc label:bug -label:verified -label:on-testplan -label:*duplicate -label:duplicate -label:invalid -label:*as-designed -label:error-telemetry -label:verification-steps-needed -label:verification-found -label:z-author-verified label:unreleased"
+    "value": "$REPOS $MILESTONE is:issue is:closed reason:completed sort:updated-asc label:bug -label:verified -label:on-testplan -label:*duplicate -label:duplicate -label:invalid -label:*as-designed -label:error-telemetry -label:verification-steps-needed -label:z-author-verified label:unreleased"
   },
   {
     "kind": 1,