servo: Merge #11329 - Report use statements that use {} with only one entry (from c-rhodes:11320); r=jdm

Thank you for contributing to Servo! Please replace each `[ ]` by `[X]` when the step is complete, and replace `__` with appropriate data:
- [X ] `./mach build -d` does not report any errors
- [X ] `./mach test-tidy --faster` does not report any errors
- [X ] These changes fix #11320  (github issue number if applicable).

Either:
- [X] There are tests for these changes OR
- [ ] These changes do not require tests because _____

Pull requests that do not address these steps are welcome, but they will require additional verification as part of the review process.

Source-Repo: https://github.com/servo/servo
Source-Revision: 2f9796fa696e9514280777398467696dd4f004b3

servo/components/webdriver_server/lib.rs

@@ -53,7 +53,7 @@ use webdriver::command::{TimeoutsParameters, WindowSizeParameters};
 use webdriver::command::{WebDriverCommand, WebDriverExtensionCommand, WebDriverMessage};
 use webdriver::common::{LocatorStrategy, WebElement};
 use webdriver::error::{ErrorStatus, WebDriverError, WebDriverResult};
-use webdriver::httpapi::{WebDriverExtensionRoute};
+use webdriver::httpapi::WebDriverExtensionRoute;
 use webdriver::response::{ElementRectResponse, NewSessionResponse, ValueResponse};
 use webdriver::response::{WebDriverResponse, WindowSizeResponse};
 use webdriver::server::{self, Session, WebDriverHandler};