Revert "Set AppProtocol on Services (#14757)"

[KauzClay]

This reverts commit e5602d7.

relates to #14569

Proposed Changes

• work was incomplete, as evident by the failing tests here: [Automated] Update net-gateway-api nightly #14789
• reverting before upcoming release

Release Note

[dprotaso]

/test gateway-api-latest

[codecov]

Codecov Report

Attention: 25 lines in your changes are missing coverage. Please review.

Comparison is base (d96dabb) 86.05% compared to head (c4b51b6) 85.87%.
Report is 3 commits behind head on main.

Files	Patch %	Lines
pkg/queue/sharedmain/handlers.go	0.00%	12 Missing ⚠️
pkg/activator/handler/context.go	60.00%	3 Missing and 1 partial ⚠️
pkg/activator/handler/handler.go	66.66%	2 Missing and 1 partial ⚠️
cmd/activator/main.go	0.00%	2 Missing ⚠️
pkg/http/handler/timeout.go	0.00%	2 Missing ⚠️
pkg/http/response_recorder.go	0.00%	2 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main   #14805      +/-   ##
==========================================
- Coverage   86.05%   85.87%   -0.19%     
==========================================
  Files         197      197              
  Lines       14950    14986      +36     
==========================================
+ Hits        12865    12869       +4     
- Misses       1774     1801      +27     
- Partials      311      316       +5     

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

[dprotaso]

PASS test/conformance/runtime.TestProtocols/h2c

/lgtm
/approve

[knative-prow]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: dprotaso, KauzClay

The full list of commands accepted by this bot can be found here.

The pull request process is described here

Needs approval from an approver in each of these files:

• OWNERS [dprotaso]

Approvers can indicate their approval by writing /approve in a comment
Approvers can cancel approval by writing /approve cancel in a comment

[KauzClay]

/test gateway-api-latest