Revert "Add some prints to Git hook installation script for GitHub Actions"

This reverts commit 8e6351e88c.

Dist/install_git_hooks.ps1

@@ -1,9 +1,7 @@
 #!/usr/bin/env pwsh
-$PSCommandFilename = Split-Path $PSCommandPath -Leaf
-echo "[$PSCommandFilename] hello world"
 $targetDir = "$PSScriptRoot/../.git/hooks"
 if (Test-Path $targetDir -PathType Container) { # is Git repo
-	echo "[$PSCommandFilename] looks like a Git repo"
+	$PSCommandFilename = Split-Path $PSCommandPath -Leaf
 	foreach ($f in Get-ChildItem "$PSScriptRoot/git_hooks") {
 		$target = Join-Path $targetDir (Split-Path $f -LeafBase)
 		if (!(Test-Path $target -PathType Leaf)) { # target file doesn't exist