remove yaml files for ycm/yta/yts

[rambohe-ch]

What type of PR is this?

Uncomment only one /kind <> line, hit enter to put that in a new line, and remove leading whitespace from that line:
/kind bug
/kind documentation
/kind enhancement
/kind good-first-issue
/kind feature
/kind question
/kind design
/sig ai
/sig iot
/sig network
/sig storage

/kind enhancement

What this PR does / why we need it:

Because installations of yurt-controller-manager/yurt-tunnel-server/yurt-tunnel-agent/yurthub-cfg are managed by helm, so remove all yaml files of them.

Which issue(s) this PR fixes:

Fixes #

Special notes for your reviewer:

Does this PR introduce a user-facing change?

other Note

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In response to this:

What type of PR is this?

Uncomment only one /kind <> line, hit enter to put that in a new line, and remove leading whitespace from that line:
/kind bug
/kind documentation
/kind enhancement
/kind good-first-issue
/kind feature
/kind question
/kind design
/sig ai
/sig iot
/sig network
/sig storage

/kind enhancement

What this PR does / why we need it:

Because installations of yurt-controller-manager/yurt-tunnel-server/yurt-tunnel-agent/yurthub-cfg are managed by helm, so remove all yaml files of them.

Which issue(s) this PR fixes:

Fixes #

Special notes for your reviewer:

Does this PR introduce a user-facing change?

other Note

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[openyurt-bot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: rambohe-ch

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[codecov]

Codecov Report

Merging #1017 (ab819a3) into master (83145a1) will increase coverage by 0.01%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master    #1017      +/-   ##
==========================================
+ Coverage   47.40%   47.42%   +0.01%     
==========================================
  Files          85       85              
  Lines       11791    11791              
==========================================
+ Hits         5590     5592       +2     
+ Misses       5739     5738       -1     
+ Partials      462      461       -1     

Flag	Coverage Δ
unittests	47.42% <ø> (+0.01%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
pkg/util/iptables/iptables.go	87.67% <0.00%> (+0.54%)	⬆️

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[rambohe-ch]

@Congrool PTAL

[Congrool]

/lgtm