Trim down scripts

This removes scripts that came from Library.Template that don't really apply to libgit2sharp, or could be added later as their own focused change.

azure-pipelines.yml

@@ -1,13 +1,6 @@
 trigger:
-  branches:
-    include:
-    - master
-    - 'maint.*'
-  paths:
-    exclude:
-    - doc/
-    - '*.md'
-    - .vscode/
+- master
+- maint/*
 
 variables:
   TreatWarningsAsErrors: true

azure-pipelines/build.yml

@@ -5,30 +5,20 @@ jobs:
 - job: Windows
   pool: ${{ parameters.windowsPool }}
   steps:
-  - checkout: self
-    clean: true
   - template: install-dependencies.yml
-
-  - powershell: '& (./azure-pipelines/Get-nbgv.ps1) cloud'
-    displayName: Set build number
-
   - template: dotnet.yml
 
 - job: Linux
   pool:
     vmImage: Ubuntu 18.04
   steps:
-  - checkout: self
-    clean: true
   - template: install-dependencies.yml
   - template: dotnet.yml
 
 - job: macOS
   pool:
     vmImage: macOS 10.13
   steps:
-  - checkout: self
-    clean: true
   - template: install-dependencies.yml
   - template: dotnet.yml
 
@@ -41,8 +31,6 @@ jobs:
     vmImage: Ubuntu 18.04
   condition: succeededOrFailed()
   steps:
-  - checkout: self
-    clean: true
   - template: install-dependencies.yml
     parameters:
       initArgs: -NoRestore
@@ -53,8 +41,6 @@ jobs:
   pool:
     vmImage: Ubuntu 18.04
   steps:
-  - checkout: self
-    clean: true
   - template: install-dependencies.yml
   - task: DotNetCoreCLI@2
     displayName: dotnet test -f netcoreapp2.1

azure-pipelines/dotnet.yml

@@ -29,29 +29,13 @@ steps:
     arguments: --no-build -c $(BuildConfiguration) -f netcoreapp2.1 --filter "TestCategory!=FailsInCloudTest" -v n /p:CollectCoverage=true
     testRunTitle: netcoreapp2.1-$(Agent.JobName)
 
-- task: PowerShell@2
-  inputs:
-    filePath: azure-pipelines/variables/_pipelines.ps1
-    failOnStderr: true
-  displayName: Update pipeline variables based on build outputs
-  condition: succeededOrFailed()
-
 - task: PowerShell@2
   inputs:
     filePath: azure-pipelines/artifacts/_pipelines.ps1
     arguments: -ArtifactNameSuffix "-$(Agent.JobName)"
   displayName: Publish artifacts
   condition: succeededOrFailed()
 
-- task: PublishSymbols@2
-  inputs:
-    SymbolsFolder: $(Build.ArtifactStagingDirectory)/symbols-Windows
-    SearchPattern: '**/*.pdb'
-    IndexSources: false
-    SymbolServerType: TeamServices
-  displayName: Publish symbols to symbol server
-  condition: and(succeeded(), ne(variables['Build.Reason'], 'PullRequest'), eq(variables['Agent.OS'], 'Windows_NT'))
-
 - bash: bash <(curl -s https://codecov.io/bash)
   displayName: Publish code coverage results to codecov.io
   timeoutInMinutes: 3

azure-pipelines/install-dependencies.yml

@@ -7,9 +7,3 @@ steps:
     .\init.ps1 -AccessToken '$(System.AccessToken)' ${{ parameters['initArgs'] }} -UpgradePrerequisites
     dotnet --info
   displayName: Install prerequisites
-
-- task: PowerShell@2
-  inputs:
-    filePath: azure-pipelines/variables/_pipelines.ps1
-    failOnStderr: true
-  displayName: Set pipeline variables based on source

azure-pipelines/publish-codecoverage.yml

@@ -12,7 +12,7 @@ steps:
   displayName: Download macOS code coverage results
   continueOnError: true
 - powershell: |
-    dotnet tool install --tool-path obj dotnet-reportgenerator-globaltool --version 4.2.2 --configfile azure-pipelines/justnugetorg.nuget.config
+    dotnet tool install --tool-path obj dotnet-reportgenerator-globaltool --version 4.2.2
     Copy-Item -Recurse $(Pipeline.Workspace)/coverageResults-Windows/obj/* $(System.DefaultWorkingDirectory)/obj
     Write-Host "Substituting {reporoot} with $(System.DefaultWorkingDirectory)"
     $reports = Get-ChildItem -Recurse "$(Pipeline.Workspace)/coverage.cobertura.xml"

init.ps1

@@ -38,7 +38,6 @@ Param (
 )
 
 if (!$NoPrerequisites) {
-    & "$PSScriptRoot\tools\Install-NuGetCredProvider.ps1" -AccessToken $AccessToken -Force:$UpgradePrerequisites
     & "$PSScriptRoot\tools\Install-DotNetSdk.ps1" -InstallLocality $InstallLocality
 }