Indentation issue breaks make behave on all platforms.

This changeset removes the addtional white spaces introduced to
bddtests/steps/orderer_impl.py.  This ensures 'make behave' works
on all platforms (x86_64, ppc64le and s390x).

Change-Id: I0c3d2ef4d1f264034543be72a0b04e530a779981
Signed-off-by: Krishna Harsha Voora <krishvoor@in.ibm.com>

bddtests/steps/orderer_impl.py

@@ -72,4 +72,4 @@ def step_impl(context, enrollId, composeService):
 
     userRegistration = orderer_util.getUserRegistration(context, enrollId)
     streamHelper = userRegistration.getDelivererStreamHelper(context, composeService)
-        streamHelper.seekToRange(start = start, end = end)
+    streamHelper.seekToRange(start = start, end = end)