tarantool / tarantool / 7988969707

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misc: cleanup usage of pthread_cancel

At last we can drop usage of pthread_cancel and associated functions.
And remove related leak suppressions.

Let's keep memory protection disabling under ASAN. Otherwise
leak sanitizer may misbehave on Tarantool panic as below.

```
  #   Tracer caught signal 11: addr=0x705236d1e000 pc=0x57b7605b10d0 sp=0x705232a00ca0\
  #   ==1022907==LeakSanitizer has encountered a fatal error.\
  #   ==1022907==HINT: For debugging, try setting environment variable LSAN_OPTIONS=verbosity=1:log_threads=1\
  #   ==1022907==HINT: LeakSanitizer does not work under ptrace (strace, gdb, etc)",
```

Let's also add missing pipe/endpoint destroy in wal while at it.

Close #8423

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