Remove deployment kind value from pipedv1 logic

[khanhtc1202]

What this PR does:

• Remove deployment kind value from Slack notifier (pipedv1)
• Remove deployment kind value from tracer log for planner and scheduler (pipedv1)
• Remove deployment kind value from trigger logic (pipedv1)

Why we need it:

Pipedv1 logic should not depended on deployment kind value

Which issue(s) this PR fixes:

Part of #5252

Does this PR introduce a user-facing change?:

• How are users affected by this change:
• Is this breaking change:
• How to migrate (if breaking change):

[codecov]

Codecov Report

Attention: Patch coverage is 19.35484% with 25 lines in your changes missing coverage. Please review.

Project coverage is 28.19%. Comparing base (038a2c6) to head (4cbf632).
Report is 9 commits behind head on master.

Files with missing lines	Patch %	Lines
pkg/model/deployment.go	26.08%	17 Missing ⚠️
pkg/app/pipedv1/controller/scheduler.go	0.00%	4 Missing ⚠️
pkg/app/pipedv1/controller/planner.go	0.00%	2 Missing ⚠️
pkg/app/pipedv1/notifier/slack.go	0.00%	2 Missing ⚠️

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #6009   +/-   ##
=======================================
  Coverage   28.19%   28.19%           
=======================================
  Files         520      520           
  Lines       56011    56016    +5     
=======================================
+ Hits        15790    15796    +6     
+ Misses      38970    38969    -1     
  Partials     1251     1251           

Flag	Coverage Δ
.	23.24% <19.35%> (+0.01%)	⬆️
.-pkg-app-pipedv1-plugin-kubernetes	66.27% <ø> (ø)
.-pkg-app-pipedv1-plugin-kubernetes_multicluster	67.33% <ø> (ø)
.-pkg-app-pipedv1-plugin-terraform	80.26% <ø> (ø)
.-pkg-app-pipedv1-plugin-wait	35.51% <ø> (ø)
.-pkg-plugin-sdk	50.71% <ø> (ø)
.-tool-actions-gh-release	19.23% <ø> (ø)
.-tool-actions-plan-preview	25.30% <ø> (ø)
.-tool-codegen-protoc-gen-auth	0.00% <ø> (ø)

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[t-kikuc]

LGTM

I guess we need to review again after merging #6008

[ffjlabo]

LGTM