message: Fix neqo-client run example in readme.md
diff: @@ -6,13 +6,13 @@ To run test http 0.9 programs (neqo-client and neqo-server):
  * `cargo build`
  * `./target/debug/neqo-server 12345 -k key --db ./test-fixture/db`
  -* `./target/debug/neqo-client http://127.0.0.1:12345/ -o --db ./test-fixture/db`
  +* `./target/debug/neqo-client http://127.0.0.1:12345/ -o`
  To run test HTTP/3 programs (neqo-client and neqo-http3-server):
  * `cargo build`
  * `./target/debug/neqo-http3-server [::]:12345 --db ./test-fixture/db`
  -* `./target/debug/neqo-client http://127.0.0.1:12345/ --db ./test-fixture/db`
  +* `./target/debug/neqo-client http://127.0.0.1:12345/`
  ## Faster Builds with Separate NSS/NSPR
  