Deprecate support for building images for beaglebone black wireless

It looks like the TI wifi drivers really are non-free since they require extracting stuff from binary files in order to compile the firmware

src/freedombone-image

     PASSWORD=$(openssl rand -base64 32 | tr -dc A-Za-z0-9 | head -c ${MINIMUM_PASSWORD_LENGTH})
 fi
 
-if [[ $IMAGE_TYPE == 'beaglebonewireless' ]]; then
-    IMAGE_TYPE='beaglebonewifi'
-fi
-
 # Move any existing images into a build subdirectory
 image_types=( xz img sig vdi qcow2 )
 for im in "${image_types[@]}"
     IMAGE_NAME=$'usb'
 fi
 
-if [[ $VARIANT == 'beaglebonewifi' || $VARIANT == 'beaglebonewireless' ]]; then
-    VARIANT='beaglebonewifi'
-    if [ ! $WIFI_SSID ]; then
-        WIFI_SSID=${PROJECT_NAME}
-    fi
-    if [ ! "$WIFI_PASSPHRASE" ]; then
-        WIFI_PASSPHRASE=${PROJECT_NAME}
-    fi
-    WIFI_TYPE='wpa2-psk'
-    WIFI_HOTSPOT='yes'
-fi
-
 # append amnesic to the image name if needed
 if [[ $AMNESIC != 'no' ]]; then
     IMAGE_NAME="${IMAGE_NAME}-amnesic"

src/freedombone-image-customise

 configure_networking() {
     chroot "$rootdir" apt-get -yq install resolvconf
 
-    if [[ "$MACHINE" == "beaglebonewifi" ]]; then
-        # Allow networking over USB in order to configure the
-        # wifi login settings
-
-        echo '# This file describes the network interfaces available on your system' > $rootdir/etc/network/interfaces
-        echo '# and how to activate them. For more information, see interfaces(5).' >> $rootdir/etc/network/interfaces
-        echo 'source /etc/network/interfaces.d/*' >> $rootdir/etc/network/interfaces
-
-        echo 'iface usb0 inet static' >> $rootdir/etc/network/interfaces.d/usb
-        echo '    address 192.168.7.2' >> $rootdir/etc/network/interfaces.d/usb
-        echo '    netmask 255.255.255.252' >> $rootdir/etc/network/interfaces.d/usb
-        echo '    network 192.168.7.0' >> $rootdir/etc/network/interfaces.d/usb
-        echo '    gateway 192.168.7.1' >> $rootdir/etc/network/interfaces.d/usb
-        return
-    fi
-
     if [[ $DEBIAN_INSTALL_ONLY != "no" ]]; then
         return
     fi
 }
 
 atheros_wifi() {
-    if [[ "$MACHINE" == "beaglebonewifi" ]]; then
-        return
-    fi
-
     chroot "$rootdir" dpkg -i /root/freedombone/drivers/firmware-ath9k-htc.deb
     chroot "$rootdir" apt-get -yq install firmware-linux-free
 }
         dd if=$rootdir/usr/lib/u-boot/am335x_boneblack/u-boot.img of="$image" \
            count=2 seek=1 conv=notrunc bs=384k
         ;;
-    beaglebonewifi)
-        touch $rootdir/root/.wifi-only
-        dd if=$rootdir/usr/lib/u-boot/am335x_boneblack/MLO of="$image" \
-           count=1 seek=1 conv=notrunc bs=128k
-        dd if=$rootdir/usr/lib/u-boot/am335x_boneblack/u-boot.img of="$image" \
-           count=2 seek=1 conv=notrunc bs=384k
-        ;;
     cubieboard2)
         dd if=$rootdir/usr/lib/u-boot/Cubieboard2/u-boot-sunxi-with-spl.bin of="$image" \
            seek=8 conv=notrunc bs=1k

src/freedombone-image-hardware-setup

     apt-get install -y flash-kernel
 }
 
-beaglebone_flash_wireless() {
-    # allow flash-kernel to work without valid /proc contents
-    # ** this doesn't *really* work, since there are too many checks
-    #    that fail in an emulated environment!  We'll have to do it by
-    #    hand below anyway...
-    export FK_MACHINE="TI AM335x BeagleBone Black Wireless"
-    apt-get install -y flash-kernel
-}
-
 beaglebone_repack_kernel() {
     bbb_version=$1
     # process installed kernel to create uImage, uInitrd, dtb
         beaglebone_repack_kernel
         enable_serial_console ttyO0
         ;;
-    beaglebonewifi)
-        beaglebone_setup_boot wireless
-        beaglebone_flash_wireless
-        beaglebone_repack_kernel wireless
-        enable_serial_console ttyO0
-        ;;
     cubietruck)
         a20_setup_boot sun7i-a20-cubietruck.dtb
         enable_serial_console ttyS0

src/freedombone-image-make

  --roottype btrfs \
 "
         ;;
-    beaglebonewifi)
-        extra_pkgs="$beaglebone_pkgs"
-        extra_opts="\
- --variant minbase \
- --bootoffset=2mib \
- --bootsize 128M \
- --boottype ext2 \
- --no-kernel \
- --no-extlinux \
- --foreign /usr/bin/qemu-arm-static \
- --roottype btrfs \
-"
-        ;;
     cubietruck | a20-olinuxino-lime | a20-olinuxino-lime2 | a20-olinuxino-micro | cubieboard2 | pcduino3)
         extra_pkgs="$a20_pkgs"
         extra_opts="\

src/freedombone-image-makefile

 	$(SIGN)
 	@echo "Build complete."
 
-# build Beaglebone Black Wireless SD card image
-beaglebonewifi: prep
-	$(eval ARCHITECTURE = armhf)
-	$(eval MACHINE = beaglebonewifi)
-	$(MAKE_IMAGE)
-	@rm -f $(ARCHIVE)
-	$(XZ) $(IMAGE)
-	@echo ""
-	$(SIGN)
-	@echo "Build complete."
-
 # build Cubieboard2 SD card image
 cubieboard2: prep
 	$(eval ARCHITECTURE = armhf)