rpc: remove remnant BlockIndex global invocations
rpc: remove remnant BlockIndex global invocations

dashpay/dash,UdjinM6/dash,thelazier/dash,UdjinM6/dash,thelazier/dash,thelazier/dash,thelazier/dash,UdjinM6/dash,UdjinM6/dash,dashpay/dash,dashpay/dash,thelazier/dash,UdjinM6/dash,dashpay/dash,dashpay/dash