Remove now-unneeded protocol tests

[rcoh]

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[github-actions]

A new generated diff is ready to view.

• No codegen difference in the AWS SDK
• No codegen difference in the Server Test

[github-actions]

A new doc preview is ready to view.

[github-actions]

Rust Wrk benchmark report:

Duration: 90 sec, Connections: 32, Threads: 2

Measurement	Deviation	Current	Old
Requests/sec	1.21%	79305.76	78357.67
Total requests	1.17%	7142095	7059817
Total errors	NaN%	0	0
Total successes	1.17%	7142095	7059817
Average latency ms	-1.28%	0.77	0.78
Minimum latency ms	0.00%	0.02	0.02
Maximum latency ms	-0.95%	24	24.23
Stdev latency ms	0.76%	1.33	1.32
Transfer Mb	1.17%	742.42	733.87
Connect errors	NaN%	0	0
Read errors	NaN%	0	0
Write errors	NaN%	0	0
Status errors (not 2xx/3xx)	NaN%	0	0
Timeout errors	NaN%	0	0

[david-perez]

Don't we first have to update Smithy version to use the fixed tests?

[rcoh]

Ah yeah I think you're right, I just saw the issues were closed on the smithy side

[jdisanti]

These were removed in #1330