doc: remove duplicate text on network section
doc: remove duplicate text on network section

Signed-off-by: zufardhiyaulhaq <71ded78e39a735f2043813eb79e1448cfb876586@gmail.com>

hyperledger/fabric,manish-sethi/fabric,manish-sethi/fabric,hyperledger/fabric,jimthematrix/fabric,jimthematrix/fabric