[Windows] Remove unused code (#13606)

images/windows/scripts/docs-gen/SoftwareReport.Common.psm1

@@ -247,10 +247,6 @@ function Get-PowerShellModules {
     return $result
 }
 
-function Get-CachedDockerImages {
-    return (docker images --digests --format "* {{.Repository}}:{{.Tag}}").Split("*") | Where-Object { $_ }
-}
-
 function Get-CachedDockerImagesTableData {
     $allImages = docker images --digests --format "*{{.Repository}}:{{.Tag}}|{{.Digest}} |{{.CreatedAt}}"
     if (-not $allImages) {
@@ -291,11 +287,6 @@ function Get-YAMLLintVersion {
     yamllint --version | Get-StringPart -Part 1
 }
 
-function Get-BizTalkVersion {
-    $bizTalkReg = Get-ItemProperty "HKLM:\SOFTWARE\WOW6432Node\Microsoft\BizTalk Server\3.0"
-    return [ToolVersionNode]::new($bizTalkReg.ProductName, $bizTalkReg.ProductVersion)
-}
-
 function Get-PipxVersion {
     pipx --version
 }