Fixing Windows Docker install.

Author: craigkj312

windows-installer/idt-win-installer.ps1

@@ -28,8 +28,7 @@ Foreach($i in $EXT_PROGS) {
             rm "git-installer.exe"
         } elseif ($prog_bin -eq "docker") {
             Invoke-WebRequest "https://download.docker.com/win/stable/InstallDocker.msi" -outfile "InstallDocker.msi"
-            msiexec /a InstallDocker.msi /passive | Out-Null
-            rm "InstallDocker.msi"
+            msiexec /i InstallDocker.msi /passive | Out-Null
         } elseif ($prog_bin -eq "kubectl") {
             $kube_version = (Invoke-WebRequest "https://storage.googleapis.com/kubernetes-release/release/stable.txt").Content
             $kube_version = $kube_version -replace "`n|`r"