doc: Update pscx examples (#37245)

* win_chocolatey: replace pscx example

PSCX is no longer distributed via Chocolatey: https://chocolatey.org/packages/pscx#comment-3762408157

* win_unzip example: install psxc via win_psmodule

lib/ansible/modules/windows/win_chocolatey.py

@@ -167,7 +167,8 @@ EXAMPLES = r'''
     name: '{{ item }}'
     state: present
   with_items:
-  - pscx
+  - procexp
+  - putty
   - windirstat
 
 - name: uninstall multiple packages
@@ -175,7 +176,8 @@ EXAMPLES = r'''
     name: '{{ item }}'
     state: absent
   with_items:
-  - pscx
+  - procexp
+  - putty
   - windirstat
 
 - name: Install curl using proxy

lib/ansible/modules/windows/win_unzip.py

@@ -84,15 +84,10 @@ EXAMPLES = r'''
         recurse: yes
         delete_archive: yes
 
-# Install PSCX to use for extracting a gz file
-- name: Grab PSCX msi
-  win_get_url:
-    url: http://download-codeplex.sec.s-msft.com/Download/Release?ProjectName=pscx&DownloadId=923562&FileTime=130585918034470000&Build=20959
-    dest: C:\Windows\Temp\pscx.msi
-
 - name: Install PSCX
-  win_msi:
-    path: C:\Windows\Temp\pscx.msi
+  win_psmodule:
+    name: Pscx
+    state: present
 '''
 
 RETURN = r'''