[FEATURE REQUEST]: clean up temp when finishes

[fgvieira]

Is this a feature request for FCS-adaptor or FCS-GX? FCS-adaptor

Describe the problem you'd like to be solved FCS-adaptor writes temp files to $TMPDIR but does not cleanup when finishing, clogging up the temp folder.

Describe the solution you'd like Clean up the temp files on (successful) exit.

Describe alternatives you've considered A clear and concise description of any alternative solutions or features you've considered.