removed patches that re obsolete with kolab-webadmin-3.1.2

Since kolab-webadmin-3.1.2 has been release, these patches are obsolete now

#2466 fixed in
https://git.kolab.org/kolab-wap/commit/?id=8474639ef74f9fdb00759208b27d970429338a8a

#2414 fixed in
https://git.kolab.org/kolab-wap/commit/?id=9ef0960d0d1c5463e8771659c5acb41f0c6d2e59