fix add-and-cat test: we no longer set a default CIDv0

Instead, we choose it based on whether or not we can actually support CIDv0.

License: MIT
Signed-off-by: Steven Allen <steven@stebalien.com>

test/sharness/t0040-add-and-cat.sh

@@ -554,7 +554,7 @@ test_add_cat_expensive "--cid-version=1" "zdj7WcatQrtuE4WMkS4XsfsMixuQN2po4irkYh
 # encoded with the blake2b-256 hash funtion
 test_add_cat_expensive '--hash=blake2b-256' "zDMZof1kwndounDzQCANUHjiE3zt1mPEgx7RE3JTHoZrRRa79xcv"
 
-test_add_named_pipe " Post http://$API_ADDR/api/v0/add?chunker=size-262144&cid-version=0&encoding=json&hash=sha2-256&pin=true&progress=true&recursive=true&stream-channels=true:"
+test_add_named_pipe " Post http://$API_ADDR/api/v0/add?chunker=size-262144&encoding=json&hash=sha2-256&pin=true&progress=true&recursive=true&stream-channels=true:"
 
 test_add_pwd_is_symlink