Fix/Cleanup broken/unfinished tdi functions

[zack-vii]

like mdsplus/tdi/d3d/findshot.fun which contains:

fun public findshot(IN _tree, IN_shot)
{
    _path_in =
    _path = treeshr->MaskReplace(REF(_tre

it was clipped atbsom point or never complete.

[zack-vii]

if you tend to fix findshot.fun make sure you use the new #2013 DTYPE to prevent memory leaks