chore: release Elixir 0.12

- fixed issue with bad uninstaller / herestring

Elixir/tools/chocolateyUninstall.ps1

@@ -21,13 +21,6 @@ try {
 
   [Environment]::SetEnvironmentVariable('Path', ($userPaths -join ';'), 'User')
 
-  Write-Host @'Please restart your current shell session to access Elixir commands:
-  elixir
-  elixirc
-  mix
-  iex.bat (use batch file within Powershell due to name collision)
-  '@
-
   Write-ChocolateySuccess $package
 } catch {
   Write-ChocolateyFailure $package "$($_.Exception.Message)"