Fix to set Powershell's ExecutionPolicy in session

Avoids setting the policy in the registry

cloudbaseinit/osutils/windows.py

@@ -215,13 +215,6 @@ class WindowsUtils(base.BaseOSUtils):
         else:
             return False
 
-    def check_powershell_exec_policy(self):
-        LOG.debug('Check Powershell execution policy')
-        args = ['powershell.exe',
-            'if ((Get-ExecutionPolicy).value__ -gt 1) '
-            '{ set-executionpolicy RemoteSigned}']
-        self.execute_process(args, False)
-
     def get_network_adapters(self):
         l = []
         conn = wmi.WMI(moniker='//./root/cimv2')

cloudbaseinit/plugins/windows/userdata.py

@@ -46,8 +46,8 @@ class UserDataPlugin():
             shell = False
         elif re.search(r'^#ps1\s', user_data, re.I):
             target_path += '.ps1'
-            args = ['powershell.exe', target_path]
-            osutils.check_powershell_exec_policy()
+            args = ['powershell.exe', '-ExecutionPolicy', 'RemoteSigned',
+                    '-NonInteractive', target_path]
             shell = False
         else:
             # Unsupported