Auto merge of #21528 - atouchet:tidy, r=jdm

Remove unused crates from servo-tidy

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Some of the crates listed in servo-tidy no longer appear to be used. Is it safe to remove these?

---
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- [ ] `./mach build -d` does not report any errors
- [ ] `./mach test-tidy` does not report any errors
- [ ] These changes fix #__ (github issue number if applicable).

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

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servo-tidy.toml

@@ -15,18 +15,14 @@ lint-scripts = [
 [blocked-packages]
 rand = [
   "crossbeam-channel",
-  "deque",
   "gaol",
   "hashglobe", # only uses in tests
   "ipc-channel",
-  "num-bigint",
   "parking_lot_core",
   "phf_generator",
   "rayon",
   "rayon-core",
   "servo_rand",
-  "servo-websocket",
-  "tempdir",
   "tempfile",
   "uuid",
   "ws",