Refactor(kclvm-win): rm python39 for kclvm-windows. (#385)

* Refactor(kclvm-win): rm python39 for kclvm-windows.
issue #379.

* add KCLVM_CLI_BINPATH to PATH

* rm useless files

* redirect cmd.output to stderr.

* println -> Fprintln

scripts/build-windows/build.bat

@@ -4,32 +4,26 @@ setlocal
 
 cd %~dp0
 
-go run download-file.go
-go run unzip.go
-
-go run gen_pth.go
-
-:: renname
-go run rename.go -old="_output\kclvm-windows\python.exe" -new="_output\kclvm-windows\kclvm.exe"
-
-:: install pip
-_output\kclvm-windows\kclvm.exe get-pip.py
-
-:: install kclvm
-_output\kclvm-windows\kclvm.exe -m pip install kclvm
-
 :: install kclvm-cli
 call .\\build_kclvm_cli.bat
 
+:: install kclvm-plugin python module
+call .\\build_kclvm_plugin_py.bat
+
+:: Copy KCLVM C API header
+call .\\build_kclvm_runtime.bat
+
 :: install hello.k
 go run .\copy-file.go --src=..\..\samples\hello.k --dst=.\_output\kclvm-windows\hello.k
 
 :: install tools
 go build -o .\_output\kclvm-windows\bin\kcl.exe        kcl.go
+go build -o .\_output\kclvm-windows\bin\kclvm.exe      kclvm.go
+go build -o .\_output\kclvm-windows\bin\kcl-plugin.exe kcl-plugin.go
 go build -o .\_output\kclvm-windows\bin\kcl-doc.exe    kcl-doc.go
+go build -o .\_output\kclvm-windows\bin\kcl-test.exe   kcl-test.go
 go build -o .\_output\kclvm-windows\bin\kcl-lint.exe   kcl-lint.go
 go build -o .\_output\kclvm-windows\bin\kcl-fmt.exe    kcl-fmt.go
-go build -o .\_output\kclvm-windows\bin\kcl-plugin.exe kcl-plugin.go
 go build -o .\_output\kclvm-windows\bin\kcl-vet.exe    kcl-vet.go
 
 :: run hello.k

scripts/build-windows/build_kclvm_plugin_py.bat

@@ -0,0 +1,9 @@
+:: Copyright 2021 The KCL Authors. All rights reserved.
+
+setlocal
+cd %~dp0
+
+:: install kclvm-plugin python module
+cd ..\..\kclvm\plugin
+python3 setup.py install_lib --install-dir=..\..\scripts\build-windows\_output\kclvm-windows\lib\site-packages 
+cd %~dp0

scripts/build-windows/build_kclvm_runtime.bat

@@ -0,0 +1,8 @@
+:: Copyright 2021 The KCL Authors. All rights reserved.
+
+setlocal
+cd %~dp0
+
+:: Copy KCLVM C API header
+go run .\copy-file.go --src=..\..\kclvm\runtime\src\_kclvm.h --dst=.\_output\kclvm-windows\include\_kclvm.h
+cd %~dp0