FAB-13835 Refactor peer/node/start.go
FAB-13835 Refactor peer/node/start.go

This CR does nothing, but collapse a few functions into one.  These
functions had a growing list of parameters and growing list of returns.
These functions are all procedural in nature so there is no loss of
encapsulation, but it will aid in changing some wiring in future CRs.

Change-Id: Ia23864381e6221f1f027ad3afb25b894037f316c
Signed-off-by: Jason Yellick <3a1724207862302656e55e6f840a9996dad69e59@us.ibm.com>

manish-sethi/fabric-sidedb,stemlending/fabric,manish-sethi/fabric,manish-sethi/fabric,manish-sethi/fabric-sidedb,binhn/fabric,jimthematrix/fabric,jimthematrix/fabric,stemlending/fabric,muralisrini/fabric,binhn/fabric,manish-sethi/fabric-sidedb,manish-sethi/fabric-sidedb,stemlending/fabric,manish-sethi/fabric-sidedb,muralisrini/fabric,hyperledger/fabric,hyperledger/fabric,manish-sethi/fabric-sidedb,muralisrini/fabric,stemlending/fabric,binhn/fabric,manish-sethi/fabric-sidedb