Updated NSIS uninstall section.

nsis/cockatrice.nsi

@@ -100,11 +100,8 @@ Section Uninstall
         Delete "$INSTDIR\uninstall.exe"
         Delete "$INSTDIR\cockatrice.exe"
         Delete "$INSTDIR\oracle.exe"
-		Delete "$INSTDIR\Usermanual.pdf"
-	Delete "$INSTDIR\libstdc++-6.dll"
-	Delete "$INSTDIR\libprotobuf-8.dll"
-        Delete "$INSTDIR\libgcc_s_dw2-1.dll"
-        Delete "$INSTDIR\mingwm10.dll"
+	Delete "$INSTDIR\Usermanual.pdf"
+	Delete "$INSTDIR\libprotobuf.lib"
         Delete "$INSTDIR\QtCore4.dll"
         Delete "$INSTDIR\QtGui4.dll"
         Delete "$INSTDIR\QtNetwork4.dll"