github: remove swarm github codeowners (ethereum#18412)

.github/CODEOWNERS

@@ -10,27 +10,4 @@ les/                            @zsfelfoldi
 light/                          @zsfelfoldi
 mobile/                         @karalabe
 p2p/                            @fjl @zsfelfoldi
-p2p/simulations                 @lmars
-p2p/protocols                   @zelig
-swarm/api/http                  @justelad
-swarm/bmt                       @zelig
-swarm/dev                       @lmars
-swarm/fuse                      @jmozah @holisticode
-swarm/grafana_dashboards        @nonsense
-swarm/metrics                   @nonsense @holisticode
-swarm/multihash                 @nolash
-swarm/network/bitvector         @zelig @janos 
-swarm/network/priorityqueue     @zelig @janos 
-swarm/network/simulations       @zelig @janos
-swarm/network/stream            @janos @zelig @holisticode @justelad
-swarm/network/stream/intervals  @janos
-swarm/network/stream/testing    @zelig
-swarm/pot                       @zelig
-swarm/pss                       @nolash @zelig @nonsense
-swarm/services                  @zelig
-swarm/state                     @justelad
-swarm/storage/encryption        @zelig @nagydani
-swarm/storage/mock              @janos
-swarm/storage/feed              @nolash @jpeletier
-swarm/testutil                  @lmars
 whisper/                        @gballet @gluk256