* [NOD-1119] Removed all p2p server from all the initialization of server
* [NOD-1119] Removed any calling for p2p server in main
* [NOD-1119] Simplified some functions to not take both dag and dagParams
* [NOD-1119] Simplify creation of mempool and rpc server
* [NOD-1119] Setup indexes in separate function
* [NOD-1119] Some cleanup in NewServer
* [NOD-1119] Fix mempool test
* [NOD-1119] Fix go format
* [NOD-1119] Unexport dag.timeSource
* [NOD-1119] Removed server package + renamed the Server object to Kaspad, and made it minimal
* [NOD-1119] Delete redundant functions
* Unexported kaspad and related methods
* [NOD-1119] Unexported newKaspad
* [NOD-1119] Revise comments and remove redundant function
* [NOD-1119] Make comments of unexported methods lower-case
* [NOD-1119] Some more refactoring in newKaspad