Fix `delete_repo` in template (#22606)

Currently the value doesn't match the model, so selecting it results in
a 500.

e8ac6a9aea/models/auth/token_scope.go (L42)

Signed-off-by: jolheiser <john.olheiser@gmail.com>

templates/user/settings/applications.tmpl

@@ -165,7 +165,7 @@
 					</div>
 					<div class="field">
 						<div class="ui checkbox">
-							<input class="enable-system" type="checkbox" name="scope" value="delete:repo">
+							<input class="enable-system" type="checkbox" name="scope" value="delete_repo">
 							<label>delete_repo</label>
 						</div>
 					</div>