Bug 802334 - Port |Bug 799391 - Remove libiw check| to comm-central r=Callek

configure.in

@@ -6283,14 +6283,6 @@ if test "$NECKO_WIFI" -a \
   AC_MSG_ERROR([Necko WiFi scanning not supported on your platform, use --disable-necko-wifi])
 fi
 
-if test -z "$SKIP_LIBRARY_CHECKS" -a "$NECKO_WIFI" -a "$OS_ARCH" = "Linux"
-then
-  AC_CHECK_HEADER([iwlib.h])
-  if test "$ac_cv_header_iwlib_h" != "yes"; then
-    AC_MSG_ERROR([Can't find header iwlib.h for Necko WiFi scanning (might be in package libiw-dev (Ubuntu) or wireless-tools-devel (Fedora) or libiw-devel (openSUSE)); use --disable-necko-wifi to disable])
-  fi
-fi
-
 if test "$NECKO_WIFI"; then
   AC_DEFINE(NECKO_WIFI)
 fi