build: purge sysprof.collapse module

This module became unused as a result of LuaJIT bump made in the
commit 88333d13 ("luajit: bump new version"), so it can be
purged safely from the Tarantool sources.

Part of #8700

NO_DOC=internal
NO_TEST=internal
NO_CHANGELOG=added within the aforementioned commit

(cherry picked from commit e2851883)