[PATCH 4 of 4 contrib] contrib: remove unnecessary debug output from editmergeps.ps1

[Kostia Balytskyi]

# HG changeset patch
# User Kostia Balytskyi <ikostia at fb.com>
# Date 1496150534 25200
#      Tue May 30 06:22:14 2017 -0700
# Node ID d636c56a00af01335a8a3ec1f089547b02d96da5
# Parent  46a10362e0504dacb224a5663794851e36095d77
contrib: remove unnecessary debug output from editmergeps.ps1

diff --git a/contrib/editmergeps.ps1 b/contrib/editmergeps.ps1
--- a/contrib/editmergeps.ps1
+++ b/contrib/editmergeps.ps1
@@ -60,7 +60,6 @@ if (($ed -eq "vim") -or ($ed -eq "emacs"
     $previousline = $firstline
     $lines = Get-Lines
     $firstline = if ($lines.Length -gt 0) { $lines[0] } else { $nil }
-    Write-Output "firstline is: $firstline, previousline is: $previousline"
   }
 }
 else