Update pipedv1 source code to use only configv1

[khanhtc1202]

What this PR does:

Why we need it:

Which issue(s) this PR fixes:

Part of #4980

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):

[ffjlabo]

👍

[codecov]

Codecov Report

Attention: Patch coverage is 3.17460% with 61 lines in your changes missing coverage. Please review.

Project coverage is 25.81%. Comparing base (1d3b532) to head (bb54a01).
Report is 1 commits behind head on master.

Files with missing lines	Patch %	Lines
pkg/app/pipedv1/notifier/notifier.go	0.00%	25 Missing ⚠️
pkg/app/pipedv1/cmd/piped/piped.go	0.00%	15 Missing ⚠️
pkg/configv1/application.go	0.00%	13 Missing ⚠️
pkg/configv1/config.go	0.00%	5 Missing ⚠️
...app/pipedv1/appconfigreporter/appconfigreporter.go	66.66%	0 Missing and 1 partial ⚠️
pkg/app/pipedv1/eventwatcher/eventwatcher.go	0.00%	1 Missing ⚠️
pkg/app/pipedv1/trigger/trigger.go	0.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #5392      +/-   ##
==========================================
- Coverage   25.83%   25.81%   -0.02%     
==========================================
  Files         450      450              
  Lines       48337    48357      +20     
==========================================
- Hits        12486    12484       -2     
- Misses      34879    34902      +23     
+ Partials      972      971       -1     

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