removing extra spaces after the backtick

Install.ps1

@@ -20,7 +20,7 @@ $fileList = echo `
     Import-Html.ps1 `
     Get-ExcelSheetInfo.ps1 `
     Get-Range.ps1 `
-    TrackingUtils.ps1 `    
+    TrackingUtils.ps1 `
     plot.ps1
 
 if ('' -eq $InstallDirectory)
@@ -46,4 +46,4 @@ $wc = New-Object System.Net.WebClient
 $fileList |
     ForEach-Object {
         $wc.DownloadFile("https://raw.github.com/dfinke/ImportExcel/master/$_","$installDirectory\$_")
-    }
+    }