remove unused file from windows installer script

ChangeLog

@@ -15,7 +15,7 @@ Gajim 0.13 (XX November 2009)
   * Ability to enable / disable accounts
   * better URL recognition
   * groupchat autoreconnect
-  * Store passwords in KDE wallet is available
+  * Store passwords in KDE wallet if available
   * Better MUC errors handling
   * Fix sound player launch (don't create zombies anymore)
   * Optional shell like completion

gajim.nsi

@@ -174,7 +174,6 @@ Section "Gajim" SecGajim
 	File "bin\pywintypes25.dll"
 	File "bin\OpenSSL.rand.pyd"
 	File "bin\select.pyd"
-	File "bin\Crypto.Hash.SHA256.pyd"
 	File "bin\sqlite3.dll"
 	File "bin\ssleay32.dll"
 	File "bin\OpenSSL.SSL.pyd"
@@ -651,7 +650,6 @@ Section "Uninstall"
 	Delete "$INSTDIR\bin\bz2.pyd"
 	Delete "$INSTDIR\bin\cairo._cairo.pyd"
 	Delete "$INSTDIR\bin\Crypto.Cipher.AES.pyd"
-	Delete "$INSTDIR\bin\Crypto.Hash.SHA256.pyd"
 	Delete "$INSTDIR\bin\gajim.exe"
 	Delete "$INSTDIR\bin\gobject._gobject.pyd"
 	Delete "$INSTDIR\bin\gtk._gtk.pyd"