Fix powershell test

test/integration/targets/powershell/tasks/main.yml

@@ -1,14 +1,8 @@
-- name: Check if PowerShell is available
+- name: Get PowerShell version
-  shell: command -V pwsh
-  register: powershell_available
-  ignore_errors: yes
-
-- when: powershell_available is success
-  block:
-  - name: Get PowerShell version
   command: pwsh --version
   register: powershell_version
+  failed_when: false
 
-  - name: Show PowerShell Version
+- name: Show PowerShell Version
   debug:
     msg: "{{ powershell_version.stdout }}"