Allow try runs to all users with label permissions (#35911)

https://servo.zulipchat.com/#narrow/channel/263398-general/topic/Contributors.20do.20not.20seem.20to.20have.20try.20job.20permissions/with/504859292

Signed-off-by: Samson <16504129+sagudev@users.noreply.github.com>

.github/workflows/try-label.yml

@@ -65,17 +65,6 @@ jobs:
               return "";
             }
 
-            let username = context.payload.sender.login;
-            let result = await github.rest.repos.getCollaboratorPermissionLevel({
-              owner: context.repo.owner,
-              repo: context.repo.repo,
-              username
-            });
-            if (!result.data.user.permissions.push) {
-              makeComment('🔒 User @' + username + ' does not have permission to trigger try jobs.');
-              return "";
-            }
-
             return try_string;
       - uses: actions/checkout@v4
         with: