[Linux] Az Modules Size Reduction On Image (#2828)

* [Linux] Az Modules Size Reduction On Image

* addressing review comments

* addressing review comments

* Addressing review comments

images/linux/scripts/installers/Install-AzureModules.ps1

@@ -17,15 +17,24 @@ foreach ($module in $modules)
         Write-Host " - $version [$modulePath]"
         Save-Module -Path $modulePath -Name $moduleName -RequiredVersion $version -Force -Verbose
     }
-}
 
-# If Az.Accounts > 1.0.0 unable to load module with error: Assembly with same name is already loaded
-# Force install Az.Accounts 1.0.0
-$azAccountsPath = "/usr/share/az_1.0.0/Az.Accounts"
-if (Test-Path $azAccountsPath)
-{
-    Remove-Item -Path $azAccountsPath -Force -Recurse
-    Save-Module -Name Az.Accounts -Path "/usr/share/az_1.0.0" -RequiredVersion 1.0.0 -Force
+    $assets = Invoke-RestMethod $module.url
+
+    # Get github release asset for each version
+    foreach ($toolVersion in $module.zip_versions) {
+        $asset = $assets | Where-Object version -eq $toolVersion `
+        | Select-Object -ExpandProperty files `
+        | Select-Object -First 1
+
+        Write-Host "Installing $($module.name) $toolVersion ..."
+        if ($null -ne $asset) {
+            Write-Host "Download $($asset.filename)"
+            wget $asset.download_url -nv --retry-connrefused --tries=10 -P $installPSModulePath
+        } else {
+            Write-Host "Asset was not found in versions manifest"
+            exit 1
+        }
+    }
 }
 
 Invoke-PesterTests -TestFile "PowerShellModules" -TestName "AzureModules"