Feat(kclvm-win): remove the "kclvm.requirements.done.txt" on windows.

[zong-zhe]

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

• N
• Y

issue #379.

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

kclvm windows.

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

1. Removed the process of using the flag file to determine if kclvm is successfully installed, and instead using the command "python3 -m pip show kclvm" to determine if kclvm is successfully installed.

2. Add the -U parameter in all "pip install" commands to ensure the latest version of kclvm is obtained.

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

6. Release note

Please refer to Release Notes Language Style Guide to write a quality release note.

None

[coveralls]

Pull Request Test Coverage Report for Build 4041723183

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage decreased (-28.6%) to 61.966%

---

Totals
Change from base Build 4036676922:	-28.6%
Covered Lines:	22992
Relevant Lines:	37104

---

💛 - Coveralls

[NeverRaR]

lgtm

[Peefy]

LGTM