servo: Merge #11474 - Remove the gonk port (from larsbergstrom:remove_gonk); r=metajack

<!-- Please describe your changes on the following line: -->
This removes the code and support infrastructure for the gonk port.

r? @metajack
---
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- [x ] `./mach build -d` does not report any errors
- [x ] `./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
- [ x] These changes do not require tests because there are no tests

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Source-Repo: https://github.com/servo/servo
Source-Revision: e3b2d6aef0bbf96cc55f1235461d757cf685f0e0

servo/python/tidy/servo_tidy/tidy.py

@@ -33,7 +33,6 @@ file_patterns_to_ignore = [
 # Files that are ignored for all tidy and lint checks.
 ignored_files = [
     # Generated and upstream code combined with our own. Could use cleanup
-    os.path.join(".", "ports", "gonk", "src", "native_window_glue.cpp"),
     os.path.join(".", "ports", "geckolib", "gecko_bindings", "bindings.rs"),
     os.path.join(".", "ports", "geckolib", "gecko_bindings", "structs.rs"),
     os.path.join(".", "ports", "geckolib", "string_cache", "atom_macro.rs"),