You should be able to do it with something like:
Code:
Sub DeletePages()
Application.ScreenUpdating = False
Dim p As Long, Rng As Range
With ActiveDocument
For p = .ComputeStatistics(wdStatisticPages) To 1 Step -1
Set Rng = .Range.GoTo(What:=wdGoToPage, Count:=p).GoTo(What:=wdGoToBookmark, Name:="\Page")
If Rng.HighlightColorIndex = wdNoHighlight Then Rng.Delete
Next
End With
Application.ScreenUpdating = True
End Sub
On my system, though, Word isn't implementing the .Goto correctly - seems an MS Update has broken it.