[FAB-4191] Remove --peer-defaultchain from compose

FAB-3358 removes the --peer-defaultchain option
from peer so we need to remove it from the
compose files else the peer will fail to
start

Change-Id: I5cfb88dfc3d7d3340d6aa21cd705e35c18f81815
Signed-off-by: Gari Singh <gari.r.singh@gmail.com>

Author: Gari Singh

src/test/fixture/sdkintegration/peer-base/peer-base-no-tls.yaml

@@ -14,4 +14,4 @@ services:
       - CORE_PEER_GOSSIP_USELEADERELECTION=true
       - CORE_PEER_PROFILE_ENABLED=true
     working_dir: /opt/gopath/src/github.com/hyperledger/fabric/peer
-    command: peer node start --peer-defaultchain=false
+    command: peer node start

src/test/fixture/sdkintegration/peer-base/peer-base.yaml

@@ -23,4 +23,4 @@ services:
       - CORE_PEER_TLS_ROOTCERT_FILE=/etc/hyperledger/msp/peer/tls/ca.crt
       - CORE_PEER_TLS_ENABLED=${ORG_HYPERLEDGER_FABRIC_SDKTEST_INTEGRATIONTESTS_TLS}
     working_dir: /opt/gopath/src/github.com/hyperledger/fabric/peer
-    command: peer node start --peer-defaultchain=false
+    command: peer node start