Cleanup: Remove SwitchPortSettingsGroups - #11711

control: job assigned to worker 01M6PTCF3W3W9GEWF82JVX45S8 [factory aws, i-0ad3b5a713a5232cd] (queued for 55 s)
...
task: starting task 0: "setup"
task: process exited: duration 4126 ms, exit code 0
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task: starting task 1: "rust-toolchain"
task: process exited: duration 17375 ms, exit code 0
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task: starting task 2: "authentication"
task: process exited: duration 16 ms, exit code 0
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task: starting task 3: "clone repository"
task: process exited: duration 11924 ms, exit code 0
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task: starting task 4: "build"
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| info: running `cargo check --bins` on zone-setup (372/372)
| warning: profile package spec `blake2b_simd` in profile `dev` did not match any packages
| warning: profile package spec `rust-argon2` in profile `dev` did not match any packages
|     Checking uzers v0.12.2
|     Checking zone-setup v0.1.0 (/work/oxidecomputer/omicron/zone-setup)
|     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.48s
| 
| real    12:18.457439592
| user    19:11.115649528
| sys      3:58.429618580
| trap        0.297329039
| tflt        0.537875500
| dflt        0.789373651
| kflt        0.005411192
| lock    57:06.874911614
| slp   1:31:06.237744936
| lat        46.849031108
| stop     3:50.554490766
task: process exited: duration 918252 ms, exit code 0
|W| found 0 output files