helper: mos/linux: do not call odp_term_global on thread exit
helper: mos/linux: do not call odp_term_global on thread exit

Remove the call to odp_term_global when a thread returns.
This causes some serious side effects (and bugs) when thread are
created and joined "dynamically".

Signed-off-by: Nicolas Morey-Chaisemartin <7188b998d7bb37a035517aa285fa3f5a95344e80@kalray.eu>

kalray/odp-mppa,kalray/odp-mppa,kalray/odp-mppa,kalray/odp-mppa,kalray/odp-mppa,kalray/odp-mppa,kalray/odp-mppa