Removed method isTestingOnOcisOrReva, and refactored its use

tests/TestHelpers/HttpRequestHelper.php

@@ -76,12 +76,9 @@ class HttpRequestHelper {
 	 * @return int
 	 */
 	public static function numRetriesOnHttpTooEarly():int {
-		if (OcisHelper::isTestingOnOcisOrReva()) {
-			// Currently reva and oCIS may return HTTP_TOO_EARLY
-			// So try up to 10 times before giving up.
-			return 10;
-		}
-		return 0;
+		// Currently reva and oCIS may return HTTP_TOO_EARLY
+		// So try up to 10 times before giving up.
+		return 10;
 	}
 
 	/**