Revert "==>recv: continue"

This reverts commit c3af41320c1817e9a79366866bc16548538f435d.
Revert "==>recv: use sd_rxhandler instead of recv_entry"

This reverts commit 2c06399233e9aa265b26797aade5cfb3fa513742.
Revert "==>recv: add sd_rxhandler"

This reverts commit f0de7830fdac32425f8b98a0201e72985776501f.
Revert "==>recv: continue"

This reverts commit 21b0e051904cbaac8725a272620659c1965d1ed9.
Revert "==>recv: add enqueue and dequeue"

This reverts commit c360f11559660a2532ba7a30dd27e26d8cc0c3a8.
Revert "==>recv: print sth in tasklet"

This reverts commit 1df6addff9ae900ed24c0710b864edce89b424cc.
==>RECV: CONTINUE