move list_all_channels_to equivalent rust code

server/tests/verify_basic_cases.sh

@@ -6,12 +6,6 @@ active_tests='list_all_channels create_channel delete_channel
 send_message
 '
 
-list_all_channels() { # TEST
-	result=$(curl --silent -i $GET $url/channels/list -d $simple_key)
-	code=$(echo "$result" | grep HTTP\/1.1 | awk '{print $2}')
-	log_result "good_list_all_channels" 200 $code "$result"
-}
-
 create_channel() {
 	kv="{\"id\":$id,\"secret\":\"$secret\", \"name\":\"sample\", \"kind\":2, \"description\":\"some bs description\"}"
 	result=$($crl $POST $url/channels/create -d "$kv")