removed appending WindowsPowerShell PSModulePath (#4656)

build.psm1

@@ -505,12 +505,6 @@ Fix steps:
         Pop-Location
     }
 
-    # copy PowerShell host profile if Windows
-    if ($Environment.IsWindows)
-    {
-        Copy-Item -Path "$PSScriptRoot/src/powershell-win-core/Microsoft.PowerShell_profile.ps1" -Destination $publishPath -Force
-    }
-
     if ($Environment.IsRedHatFamily) {
         # add two symbolic links to system shared libraries that libmi.so is dependent on to handle
         # platform specific changes. This is the only set of platforms needed for this currently

src/powershell-win-core/Microsoft.PowerShell_profile.ps1

@@ -1,10 +0,0 @@
-# Default profile for all users for PowerShell host
-
-if ($IsWindows)
-{
-	# Add Windows PowerShell PSModulePath to make it easier to discover potentially compatible PowerShell modules
-	# If a Windows PowerShell module works or not, please provide feedback at https://github.com/PowerShell/PowerShell/issues/4062
-
-	Write-Warning "Appended Windows PowerShell PSModulePath"
-	$env:psmodulepath += ";${env:userprofile}\Documents\WindowsPowerShell\Modules;${env:programfiles}\WindowsPowerShell\Modules;${env:windir}\system32\WindowsPowerShell\v1.0\Modules\"
-}

test/powershell/engine/Module/ModulePath.Tests.ps1

@@ -94,18 +94,4 @@ Describe "SxS Module Path Basic Tests" -tags "CI" {
         $paths -contains $customeModules | Should Be $true
     }
 
-    It "Default PowerShell profile appends Windows PowerShell PSModulePath only on Windows" {
-
-        $psmodulepath = & $powershell -nologo -c '$env:PSModulePath'
-
-        if ($IsWindows)
-        {
-            $psmodulepath[0] | Should Match "Warning"  # for Windows, there is a warning that path being appended
-            $psmodulepath[1] | Should Match "WindowsPowerShell"
-        }
-        else
-        {
-            $psmodulepath[0] | Should Not Match "WindowsPowerShell"
-        }
-    }
 }