Update VMs (#7087)

* Update VMs

* Remove common files

Author: richlander

.vsts-dotnet-ci.yml

@@ -60,8 +60,8 @@ jobs:
     innerLoop: true
     pool:
       name: NetCore-Public
-      demands: ImageOverride -equals build.ubuntu.1804.amd64.open
-    helixQueue: Ubuntu.1804[email protected]/dotnet-buildtools/prereqs:ubuntu-18.04-helix-arm32v7
+      demands: ImageOverride -equals build.Ubuntu.2204.amd64.open
+    helixQueue: Ubuntu.2204[email protected]/dotnet-buildtools/prereqs:ubuntu-18.04-helix-arm32v7
 
 - template: /build/ci/job-template.yml
   parameters:
@@ -83,8 +83,8 @@ jobs:
     innerLoop: true
     pool:
       name: NetCore-Public
-      demands: ImageOverride -equals build.ubuntu.1804.amd64.open
-    helixQueue: Ubuntu.1804[email protected]/dotnet-buildtools/prereqs:ubuntu-18.04-helix-arm64v8
+      demands: ImageOverride -equals build.Ubuntu.2204.amd64.open
+    helixQueue: Ubuntu.2204[email protected]/dotnet-buildtools/prereqs:ubuntu-18.04-helix-arm64v8
 
 - template: /build/ci/job-template.yml
   parameters:
@@ -94,8 +94,8 @@ jobs:
     innerLoop: true
     pool:
       name: NetCore-Public
-      demands: ImageOverride -equals build.ubuntu.1804.amd64.open
-    helixQueue: Ubuntu.1804[email protected]/dotnet-buildtools/prereqs:centos-stream8-mlnet-helix
+      demands: ImageOverride -equals build.Ubuntu.2204.amd64.open
+    helixQueue: Ubuntu.2204[email protected]/dotnet-buildtools/prereqs:centos-stream8-mlnet-helix
 
 - template: /build/ci/job-template.yml
   parameters:
@@ -105,8 +105,8 @@ jobs:
     innerLoop: true
     pool:
       name: NetCore-Public
-      demands: ImageOverride -equals build.ubuntu.1804.amd64.open
-    helixQueue: Ubuntu.1804[email protected]/dotnet-buildtools/prereqs:ubuntu-18.04-mlnet-helix
+      demands: ImageOverride -equals build.Ubuntu.2204.amd64.open
+    helixQueue: Ubuntu.2204[email protected]/dotnet-buildtools/prereqs:ubuntu-18.04-mlnet-helix
 
 - template: /build/ci/job-template.yml
   parameters: