* Move graph-database from graph-node to util
* Refactor and remove graph-node dependency from cli package
* Modify dependencies using depcheck
* Implement CLI refactoring changes in other watchers
* Review changes to remove eden comment and fix local import in util
* Import GraphDatabase from util instead of graph-node
* Move graph-node non assemblyscript code to util package
* Implement CLI refactoring changes in codegen
* Fix graph-node tests after refactoring
* Move fromStateEntityValues to graph state utils
* Refactor fill CLI to cli package
* Refactor method to fill-state to graph-node
* Refactor fill-state CLI to cli package
* Move subgraph state utils to a separate file
* Refactor subgraph state helper methods to graph-node
* Update mock indexer
* Move watcher job-runner to util
* Remove mock server and data from erc20-watcher
* Import watcher job-runner from util
* Refactor reset CLIs to cli package
* Use reset CLIs from cli package in watchers
* Fix method to canonicalize latest entities
* Use composition with common code for refactored CLIs
* Refactor watch-contract CLI to cli package
* Use watch-contract from cli in eden and erc721 watchers
* Use watch-contract from cli in all watchers
* Pass an object containing clients to refactored CLI
Co-authored-by: nabarun <nabarun@deepstacksoft.com>