feat: the checksum calculation during compilation is removed

[zong-zhe]

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

• N
• Y

re #295
close #314
close #328

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

1. Removed all processes that require local checksum calculations.
2. All the checksum of dependencies are required from oci manifests.
3. Only the process of downloading packages from oci registry now requires checksum checks.

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

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 9208594875

Details

• 141 of 207 (68.12%) changed or added relevant lines in 6 files are covered.
• 52 unchanged lines in 1 file lost coverage.
• Overall coverage decreased (-0.6%) to 43.301%

---

Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
pkg/cmd/cmd_add.go	0	1	0.0%
pkg/package/modfile.go	4	8	50.0%
pkg/client/client.go	131	192	68.23%

Files with Coverage Reduction	New Missed Lines	%
pkg/client/client.go	52	57.22%

Totals
Change from base Build 9175536317:	-0.6%
Covered Lines:	2469
Relevant Lines:	5702

---

💛 - Coveralls

[Peefy]

LGTM