fix: do not listen port for https if no ssl configured

[hicaistar]

fix regression caused by kubernetes#4439

What this PR does / why we need it:

when creating an ingress without ssl cert, nginx will still listen on 442 for the server, which is not expected.
what we got:

                listen 80  ;
		listen [::]:80  ;

		listen 442 proxy_protocol  ssl http2 ;
		listen [::]:442 proxy_protocol  ssl http2 ;

what we expect:

                listen 80  ;
		listen [::]:80  ;

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)

Which issue/s this PR fixes

How Has This Been Tested?

Checklist:

• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I've read the CONTRIBUTION guide
• I have added tests to cover my changes.
• All new and existing tests passed.

[hicaistar]

/cc @hanxueluo

[hicaistar]

/release-note-none

[caicloud-bot]

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