remove windowsArm64 from nightly

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>

scripts/nightly.yaml

@@ -233,46 +233,6 @@ stages:
         symbolServerType: TeamServices
         detailedLog: true
 
-  - job: "WindowsArm64"
-    displayName: "WindowsArm64"
-    pool: 
-      vmImage: "windows-latest"
-    variables:
-       arch: "amd64_arm64"
-       bindings: "-DCMAKE_BUILD_TYPE=RelWithDebInfo"
-    steps:
-    - script: md build
-    - script: |
-         cd build
-         call "C:\Program Files\Microsoft Visual Studio\2022\Enterprise\VC\Auxiliary\Build\vcvarsall.bat" $(arch)
-         cmake $(bindings) -G "NMake Makefiles" ../
-         nmake
-         cd ..
-    - task: CopyFiles@2
-      inputs:
-        sourceFolder: build
-        contents: '*z3*.*'
-        targetFolder: $(Build.ArtifactStagingDirectory)
-    - task: PublishPipelineArtifact@1
-      inputs:
-        targetPath: $(Build.ArtifactStagingDirectory)
-        artifactName: 'WindowsArm64'
-    - task: CopyFiles@2
-      displayName: 'Collect Symbols'
-      inputs:
-        sourceFolder: build
-        contents: '**/*.pdb'
-        targetFolder: '$(Build.ArtifactStagingDirectory)/symbols'
-    # Publish symbol archive to match nuget package
-    # Index your source code and publish symbols to a file share or Azure Artifacts symbol server
-    - task: PublishSymbols@2
-      inputs:
-        symbolsFolder: '$(Build.ArtifactStagingDirectory)/symbols'
-        searchPattern: '**/*.pdb' 
-        indexSources: false # Github not supported
-        publishSymbols: true
-        symbolServerType: TeamServices
-        detailedLog: true
 
 
 - stage: Package
@@ -576,11 +536,6 @@ stages:
       inputs:
         artifactName: 'Windows32'
         targetPath: tmp
-    - task: DownloadPipelineArtifact@2
-      displayName: "Download windowsArm64"
-      inputs:
-        artifactName: 'WindowsArm64'
-        targetPath: tmp
     - task: DownloadPipelineArtifact@2
       displayName: "Download windows64"
       inputs: