remove redundant code

Author: bobbyu99

.codebuild/build_windows.yml

@@ -2,12 +2,6 @@ version: 0.2
 env:
   shell: powershell.exe
 phases:
-  pre_build:
-    commands:
-      - choco install -fy nodejs-lts --version=18.20.4
-      - |
-        $nodeVersion = node -v
-        Write-Host "Node version: $nodeVersion"
   build:
     commands:
       # commands need to be run in stand-alone bash scripts so that bash can be used on windows