swarm/api: integrate tags to count chunks being split and stored
swarm/api/http: integrate tags in middleware for HTTP `POST` calls and assert chunks being calculated and counted correctly
swarm: remove deprecated and unused code, add swarm hash to DoneSplit signature, remove calls to the api client from the http package
* swarm/shed: remove metrics fields from DB struct
* swarm/schunk: add String methods to modes
* swarm/storage/localstore: add metrics and traces
* swarm/chunk: unknown modes without spaces in String methods
* swarm/storage/localstore: remove bin number from pull subscription metrics
* swarm/storage/localstore: add resetting time metrics and code improvements
cmd/swarm/swarm-smoke: improve smoke tests (#1337)
swarm/network: remove dead code (#1339)
swarm/network: remove FetchStore and SyncChunkStore in favor of NetStore (#1342)
