Auto merge of #13974 - heycam:rm-bindgen-option, r=emilio

Stop passing now-unrecognized --no-type-renaming to rust-bindgen.

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r? @emilio

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

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components/style/binding_tools/regen.py

@@ -22,7 +22,7 @@ COMPILATION_TARGETS = {
     # Flags common for all the targets.
     COMMON_BUILD_KEY: {
         "flags": [
-            "--no-unstable-rust", "--no-type-renaming",
+            "--no-unstable-rust",
         ],
         "clang_flags": [
             "-x", "c++", "-std=c++14",