Remove unwanted old database functions

[ManuGowda]

Expected behavior

Remove unwanted old database related logic which is no longer required after storage changes.

Actual behavior

There are few old database logic functions such as
https://github.com/LiskHQ/lisk/blob/ebfc1349419c6263c26b6c6d59cff7b97223e90f/framework/src/modules/chain/logic/transaction.js#L1221

Steps to reproduce

Which version(s) does this affect? (Environment, OS, etc...)

Grooming Meeting Notes
Remove dbRead and storageRead and put it in other blocks logic related file or merge the code.

[lsilvs]

It can only be done after #2424 as modules.blocks.process.loadBlocksFromPeer still uses it.

REF.: #2424 (comment)