ci: Remove SauceLabs retries (#3660)

SauceLabs retries aren't necessary anymore because SauceLabs isn't
failing that often anymore. The retries queue many jobs in SauceLabs.
Instead, we should take failing SauceLabs tests seriously and try to fix
them or disable a flaky test if necessary.

.github/workflows/saucelabs-UI-tests.yml

@@ -114,9 +114,8 @@ jobs:
 
       - run: npm install -g [email protected]
 
-      # As Sauce Labs is a bit flaky we retry 5 times
       - name: Run Tests in SauceLab
         env:
           SAUCE_USERNAME: ${{ secrets.SAUCE_USERNAME }}
           SAUCE_ACCESS_KEY: ${{ secrets.SAUCE_ACCESS_KEY }}
-        run: for i in {1..5}; do saucectl run --select-suite ${{ matrix.suite }} && break ; done
+        run: saucectl run --select-suite ${{ matrix.suite }}