ci: fix alpine build (microsoft#188446)

Author: deepak1556

build/azure-pipelines/alpine/product-build-alpine.yml

@@ -3,10 +3,6 @@ steps:
     inputs:
       versionSpec: "16.x"
 
-  - script: docker run --rm --privileged multiarch/qemu-user-static --reset -p yes
-    displayName: "Register Docker QEMU"
-    condition: and(succeeded(), eq(variables['VSCODE_ARCH'], 'arm64'))
-
   - template: ../distro/download-distro.yml
 
   - task: AzureKeyVault@1
@@ -87,6 +83,7 @@ steps:
       PLAYWRIGHT_SKIP_BROWSER_DOWNLOAD: 1
       GITHUB_TOKEN: "$(github-distro-mixin-password)"
       VSCODE_REMOTE_DEPENDENCIES_CONTAINER_NAME: vscodehub.azurecr.io/vscode-linux-build-agent:alpine-$(VSCODE_ARCH)
+      VSCODE_HOST_MOUNT: "/mnt/vss/_work/1/s"
     displayName: Install build dependencies
     condition: and(succeeded(), ne(variables.NODE_MODULES_RESTORED, 'true'))