fix: remove all the 'kpm:' prefix in kpm

[zong-zhe]

1. Does this PR affect any open issues?(Y/N) and add issue references (e.g. "fix #123", "re #123".):

• N
• Y

2. What is the scope of this PR (e.g. component or file name):

reporter

3. Provide a description of the PR(e.g. more details, effects, motivations or doc link):

• Affects user behaviors
• Contains syntax changes
• Contains variable changes
• Contains experimental features
• Performance regression: Consumes more CPU
• Performance regression: Consumes more Memory
• Other

remove all the 'kpm:' prefix in diagnostic

4. Are there any breaking changes?(Y/N) and describe the breaking changes(e.g. more details, motivations or doc link):

• N
• Y

5. Are there test cases for these changes?(Y/N) select and add more details, references or doc links:

• Unit test
• Integration test
• Benchmark (add benchmark stats below)
• Manual test (add detailed scripts or steps below)
• Other

[coveralls]

Pull Request Test Coverage Report for Build 6943811357

• 19 of 50 (38.0%) changed or added relevant lines in 9 files are covered.
• 1 unchanged line in 1 file lost coverage.
• Overall coverage decreased (-0.2%) to 35.911%

---

Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
pkg/cmd/cmd_init.go	0	1	0.0%
pkg/cmd/cmd_logout.go	0	1	0.0%
pkg/cmd/cmd_pkg.go	0	1	0.0%
pkg/utils/utils.go	0	1	0.0%
pkg/cmd/cmd_push.go	0	2	0.0%
pkg/cmd/cmd_import.go	0	4	0.0%
pkg/oci/oci.go	0	8	0.0%
pkg/client/client.go	15	28	53.57%

Files with Coverage Reduction	New Missed Lines	%
pkg/oci/oci.go	1	7.87%

Totals
Change from base Build 6941382668:	-0.2%
Covered Lines:	1268
Relevant Lines:	3531

---

💛 - Coveralls

[Peefy]

LGTM