Fix: bogus bash arg to node

[glensc]

Since entrypoint is set, CMD has no intended effect.

In fact, it's passed to node program, which ignores it:

# docker-compose exec stremio bash
root@64f0fbd0f863# ps axwuf
USER         PID %CPU %MEM    VSZ   RSS TTY      STAT START   TIME COMMAND
root          17  0.0  0.0   3864  2980 pts/0    Ss   22:44   0:00 bash
root          59  0.0  0.0   5380  2376 pts/0    R+   22:45   0:00  \_ ps axwuf
root           1  0.3  0.3 638320 59636 ?        Ssl  22:44   0:00 node server.js bash