Auto merge of #17811 - brainlessdeveloper:remove-immeta-dep, r=jdm

Remove unused immeta dependency in net_traits

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- [x] `./mach build -d` does not report any errors
- [x] `./mach test-tidy` does not report any errors
- [x] These changes fix #17807 (github issue number if applicable).

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components/net_traits/Cargo.toml

@@ -16,7 +16,6 @@ heapsize_derive = "0.1"
 hyper = "0.10"
 hyper_serde = "0.7"
 image = "0.12"
-immeta = "0.3.1"
 ipc-channel = "0.8"
 lazy_static = "0.2"
 log = "0.3.5"