Revert "Stepping into sources (downloaded from GitHub based on commit hash) used to work in v4-alpha5 but is broken in v4-beta1. This is almost impossible to test, but I suspect I broke it in 8cd45aa. (#841)"

This reverts commit 3d97bea.

Author: Bart Koelman

Build.ps1

@@ -37,20 +37,20 @@ If($env:APPVEYOR_REPO_TAG -eq $true) {
     Write-Output "VERSION-SUFFIX: $revision"
 
     IF ([string]::IsNullOrWhitespace($revision)){
-        Write-Output "RUNNING dotnet pack .\src\JsonApiDotNetCore -c Release -o .\artifacts --include-symbols"
-                              dotnet pack .\src\JsonApiDotNetCore -c Release -o .\artifacts --include-symbols
+        Write-Output "RUNNING dotnet pack .\src\JsonApiDotNetCore -c Release -o .\artifacts"
+                              dotnet pack .\src\JsonApiDotNetCore -c Release -o .\artifacts
         CheckLastExitCode
     }
     Else {
-        Write-Output "RUNNING dotnet pack .\src\JsonApiDotNetCore -c Release -o .\artifacts --version-suffix=$revision --include-symbols"
-                              dotnet pack .\src\JsonApiDotNetCore -c Release -o .\artifacts --version-suffix=$revision --include-symbols
+        Write-Output "RUNNING dotnet pack .\src\JsonApiDotNetCore -c Release -o .\artifacts --version-suffix=$revision"
+                              dotnet pack .\src\JsonApiDotNetCore -c Release -o .\artifacts --version-suffix=$revision
         CheckLastExitCode
     }
 }
 Else {
-    $packageVersionSuffix="beta1-$revision"
+    $packageVersionSuffix="alpha5-$revision"
     Write-Output "VERSION-SUFFIX: $packageVersionSuffix"
-    Write-Output "RUNNING dotnet pack .\src\JsonApiDotNetCore -c Release -o .\artifacts --version-suffix=$packageVersionSuffix --include-symbols"
-                          dotnet pack .\src\JsonApiDotNetCore -c Release -o .\artifacts --version-suffix=$packageVersionSuffix --include-symbols
+    Write-Output "RUNNING dotnet pack .\src\JsonApiDotNetCore -c Release -o .\artifacts --version-suffix=$packageVersionSuffix"
+                          dotnet pack .\src\JsonApiDotNetCore -c Release -o .\artifacts --version-suffix=$packageVersionSuffix
     CheckLastExitCode
 }