remove uneeded newline

This was copied from Remote.Ls, there are other examples however:

    #!/bin/bash
    for f in *.go; do
            awk '
    /^func/ {
      getline tmp
      if (tmp == "") {
        print
      }
    }' <"${f}"
    done

message.go

@@ -19,7 +19,6 @@ type Trailer struct {
 // Trailer structs. Trailers are key/value pairs in the last paragraph of a
 // message, not including any patches or conflicts that may be present.
 func MessageTrailers(message string) ([]Trailer, error) {
-
 	var trailersC C.git_message_trailer_array
 
 	messageC := C.CString(message)