Remove unused cdc. reaction.yml is for now the reference

Waiting for a proper Readme

cdc.md

@@ -1,32 +0,0 @@
-# Serveur
-
-`reactiond <FILEPATH>`
-
-Avec un défaut à `/etc/reaction/reactiond.conf`
-
-```yaml
-definitions:
-  - &iptablesban iptables -I reaction 1 -s <ip> -j block
-  - &iptablesunban iptables -D reaction 1 -s <ip> -j block
-
-regexes:
-  ip: '(([0-9]{1,3}\.){3}[0-9]{1,3})|([0-9a-fA-F:]{2,90})'
-
-streams:
-  nextcloud:
-    cmd: journalctl -fu phpfpm-nextcloud.service
-    filters:
-      failed-login:
-        regex:
-          - '"message":"Login failed: .\+ (Remote IP: <ip>)"'
-        retry: 3
-        retry-period: 1h
-        actions:
-          ban:
-            cmd: *iptablesban
-          unban:
-            cmd: *iptablesunban 
-            after: 1h
-```
-
-reactionc: le client