Remove phosphor-webui from witherspoon systems

Witherspoon systems are currently used for CI. Currently, CI does not
test the webui. This change will affect Swift systems, as swift.conf
requires witherspoon.conf.

Additionally, removing phosphor-webui saves us 397 kB in filesystem sz.
Built up-to-date images to see the size of the rootfs.squashfs-xz
The size of obmc-phosphor-image-witherspoon-<date>.rootfs.squashfs-xz:
1) With webui-vue: 19.836928 MB
2) With phosphor-webui: 19.78368 MB
3) Without either (i.e. this change): 19.386368 MB.

Testing using commit 7d637776938c77d69752a72a09edc90ebde93164:
  1) Code update successful on hardware system.
        HW system updated image and rebooted successfully

Signed-off-by: Ali Ahmed <ama213000@gmail.com>
Change-Id: Ib2488dd462851b98f557dd9c76086d48dcbe905c
diff --git a/meta-ibm/recipes-phosphor/packagegroups/packagegroup-obmc-apps.bbappend b/meta-ibm/recipes-phosphor/packagegroups/packagegroup-obmc-apps.bbappend
index c74ca98..db70991 100644
--- a/meta-ibm/recipes-phosphor/packagegroups/packagegroup-obmc-apps.bbappend
+++ b/meta-ibm/recipes-phosphor/packagegroups/packagegroup-obmc-apps.bbappend
@@ -27,7 +27,7 @@
 RDEPENDS:${PN}-inventory:append:mihawk = " openpower-fru-vpd openpower-occ-control virtual/obmc-gpio-presence id-button phosphor-cooling-type"
 RDEPENDS:${PN}-fan-control:append:ibm-ac-server = " fan-watchdog"
 RDEPENDS:${PN}-fan-control:append:p10bmc = " fan-watchdog sensor-monitor"
-RDEPENDS:${PN}-extras:append:ibm-ac-server = " ${POWER_SERVICE_PACKAGES_AC_SERVER} witherspoon-power-supply-sync phosphor-webui"
+RDEPENDS:${PN}-extras:append:ibm-ac-server = " ${POWER_SERVICE_PACKAGES_AC_SERVER} witherspoon-power-supply-sync"
 RDEPENDS:${PN}-extras:append:p10bmc = " ${POWER_SERVICE_PACKAGES_P10} webui-vue dbus-sensors phosphor-virtual-sensor kexec-tools makedumpfile kdump vmcore-dmesg"
 RDEPENDS:${PN}-extras:append:p10bmc = " pldm openpower-hw-diags srvcfg-manager biosconfig-manager phosphor-post-code-manager phosphor-host-postd debug-trigger mctp"
 RDEPENDS:${PN}-extras:append:mihawk = " phosphor-webui phosphor-image-signing wistron-ipmi-oem ${POWER_SERVICE_PACKAGES_AC_SERVER}"
@@ -36,7 +36,7 @@
 RDEPENDS:${PN}-extras:remove:p10bmc = "obmc-ikvm liberation-fonts uart-render-controller"
 RDEPENDS:${PN}-host-state-mgmt:remove:p10bmc = "checkstop-monitor"
 RDEPENDS:${PN}-extras:remove:swift = "obmc-ikvm"
-RDEPENDS:${PN}-extras:remove:witherspoon-tacoma = "obmc-ikvm liberation-fonts uart-render-controller phosphor-webui"
+RDEPENDS:${PN}-extras:remove:witherspoon-tacoma = "obmc-ikvm liberation-fonts uart-render-controller"
 RDEPENDS:${PN}-logging:append = " ${EXTRA_IBM_LOGGING_PKGS}"
 RDEPENDS:${PN}-leds:remove:witherspoon-tacoma = "phosphor-led-manager-faultmonitor"