CI: Drop old workaround, refactor script blocks

This old bug in the CI inexplicably went away at some point.

Co-Authored-By: DeeDeeG <DeeDeeG@users.noreply.github.com>

script/vsts/nightly-release.yml

@@ -26,8 +26,6 @@ jobs:
     steps:
       - template: platforms/templates/preparation.yml
 
-       #This has to be done separately because VSTS inexplicably
-       #exits the script block after `npm install` completes.
       - script: |
           cd script/vsts
           npm install

script/vsts/platforms/templates/get-release-version.yml

@@ -12,14 +12,8 @@ jobs:
   pool:
     vmImage: 'ubuntu-latest'
   steps:
-    # This has to be done separately because VSTS inexplicably
-    # exits the script block after `npm ci` completes.
     - script: |
         cd script/vsts
         npm ci
-      displayName: npm ci
-    - script: node script/vsts/get-release-version.js ${{ parameters.NightlyFlag }}
+        node get-release-version.js ${{ parameters.NightlyFlag }}
       name: Version
-      env:
-        REPO_OWNER: $(REPO_OWNER)
-        NIGHTLY_RELEASE_REPO: $(NIGHTLY_RELEASE_REPO)

script/vsts/release-branch-build.yml

@@ -31,8 +31,6 @@ jobs:
     steps:
       - template: platforms/templates/preparation.yml
 
-      # This has to be done separately because VSTS inexplicably
-      # exits the script block after `npm install` completes.
       - script: |
           cd script/vsts
           npm install