Revert "restore android workload when building"

This reverts commit 79f7206686.

Demos/GameImpl.cs

@@ -48,6 +48,15 @@ namespace Demos {
         }
 
         protected override void LoadContent() {
+            // TODO remove with MonoGame 3.8.1 https://github.com/MonoGame/MonoGame/issues/7298
+            #if !FNA
+            if (PlatformInfo.MonoGamePlatform == MonoGamePlatform.DesktopGL) {
+                this.GraphicsDeviceManager.PreferredBackBufferWidth = 1280;
+                this.GraphicsDeviceManager.PreferredBackBufferHeight = 720;
+                this.GraphicsDeviceManager.ApplyChanges();
+            }
+            #endif
+
             base.LoadContent();
             this.UiSystem.AutoScaleReferenceSize = new Point(1280, 720);
             this.UiSystem.AutoScaleWithScreen = true;

Jenkinsfile

@@ -9,7 +9,6 @@ pipeline {
     stage('Cake Build') {
       steps {
         sh 'dotnet tool restore'
-        sh 'dotnet workload restore'
         // we use xvfb to allow for graphics-dependent tests
         sh 'xvfb-run -a dotnet cake --target Publish --branch ' + env.BRANCH_NAME
       }