Set perf_event_paranoid to -1

Set perf_event_paranoid to -1 as user requested.

See [1] for implications.

Security implication seems to be limited to information leak from kernel
and "unfair" usage of memory available for perf data between users. So
its no big deal.

[1]: https://www.kernel.org/doc/html/latest/admin-guide/perf-security.html

misc_etc_files/sysctl.conf

@@ -44,4 +44,4 @@ kernel.shmall = 34359738368
 
 # user request: Allow CPU event access by users without CAP_SYS_ADMIN
 
-kernel.perf_event_paranoid = 1
+kernel.perf_event_paranoid = -1