fff-web-ui: do not remove non-existant config

With our config for the "public" uhttpd section only created in
uci-defaults, it does not make much sense to delete it beforehand.

Drop the useless deletion.

Signed-off-by: Adrian Schmutzler <freifunk@adrianschmutzler.de>

src/packages/fff/fff-web-ui/Makefile

@@ -1,7 +1,7 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=fff-web-ui
-PKG_RELEASE:=17
+PKG_RELEASE:=18
 
 include $(INCLUDE_DIR)/package.mk
 

src/packages/fff/fff-web-ui/files/etc/uci-defaults/94-fff-web-ui

@@ -1,7 +1,6 @@
 uci -q delete uhttpd.main
 
 uci batch <<EOF
-  delete uhttpd.public
   delete uhttpd.ssl
   delete uhttpd.px5g