test: remove CR from data file

There was a CR at the end of the file. Remove it so that tests pass
on Travis CI.

Author: vmx

test/test-repo/blocks/7J/CIQKKLBWAIBQZOIS5X7E32LQAL6236OUKZTMHPQSFIXPWXNZHQOV7JQ.data

@@ -1,5 +1,5 @@
 
-��
+��
                   IPFS -- Inter-Planetary File system
 
 IPFS is a global, versioned, peer-to-peer filesystem. It combines good ideas
@@ -52,4 +52,4 @@ IPFS has a name service:
 - serves to build trust chains
 - compatible with other NSes
 - can map DNS, .onion, .bit, etc to IPNS
-�
+�