removed debug statement

Signed-off-by: Paul Newman <pnewman@robots.ox.ac.uk>
removed getkeyboardinput action - this will never work if launched by pAntler - how can 30 processes all wait on the same :std::din. And people will never remember a switch to turn keyboard off...

Signed-off-by: Paul Newman <pnewman@robots.ox.ac.uk>