[FAB-8217] Removes unused proto from BlockDecoder

Removes usage of some unused proto variables which are
not used in BlockDecoder.

Change-Id: I7b08a801c906b5b6ab4c3a5bd90b4b336d76be3b
Signed-off-by: sudheesh001 <sudheesh1995@outlook.com>

fabric-client/lib/BlockDecoder.js

@@ -22,23 +22,18 @@ var path = require('path');
 var utils = require('./utils.js');
 var logger = utils.getLogger('BlockDecoder.js');
 
-var _ccProto = grpc.load(__dirname + '/protos/peer/chaincode.proto').protos;
 var _ccEventProto = grpc.load(__dirname + '/protos/peer/chaincode_event.proto').protos;
 var _transProto = grpc.load(__dirname + '/protos/peer/transaction.proto').protos;
 var _proposalProto = grpc.load(__dirname + '/protos/peer/proposal.proto').protos;
 var _responseProto = grpc.load(__dirname + '/protos/peer/proposal_response.proto').protos;
-var _queryProto = grpc.load(__dirname + '/protos/peer/query.proto').protos;
 var _peerConfigurationProto = grpc.load(__dirname + '/protos/peer/configuration.proto').protos;
 var _mspPrProto = grpc.load(__dirname + '/protos/msp/msp_principal.proto').common;
 var _commonProto = grpc.load(__dirname + '/protos/common/common.proto').common;
 var _configtxProto = grpc.load(__dirname + '/protos/common/configtx.proto').common;
 var _policiesProto = grpc.load(__dirname + '/protos/common/policies.proto').common;
-var _ledgerProto = grpc.load(__dirname + '/protos/common/ledger.proto').common;
 var _commonConfigurationProto = grpc.load(__dirname + '/protos/common/configuration.proto').common;
 var _ordererConfigurationProto = grpc.load(__dirname + '/protos/orderer/configuration.proto').orderer;
-var _abProto = grpc.load(__dirname + '/protos/orderer/ab.proto').orderer;
 var _mspConfigProto = grpc.load(__dirname + '/protos/msp/msp_config.proto').msp;
-var _timestampProto = grpc.load(__dirname + '/protos/google/protobuf/timestamp.proto').google.protobuf;
 var _identityProto = grpc.load(path.join(__dirname, '/protos/msp/identities.proto')).msp;
 var _rwsetProto = grpc.load(path.join(__dirname, '/protos/ledger/rwset/rwset.proto')).rwset;
 var _kv_rwsetProto = grpc.load(path.join(__dirname, '/protos/ledger/rwset/kvrwset/kv_rwset.proto')).kvrwset;