perf env: Move arch errno function to only use in env

Move arch_syscalls__strerrno_function out of builtin-trace.c to env.c
so that there isn't a util to builtin function call. This allows the
python.c stub to be removed. Also, remove declaration/prototype from
env.h and make static to reduce scope. The include is moved inside
ifdefs to avoid, "defined but unused warnings".

Signed-off-by: Ian Rogers <[email protected]>
Acked-by: Arnaldo Carvalho de Melo <[email protected]>
Cc: Adrian Hunter <[email protected]>
Cc: Alexander Shishkin <[email protected]>
Cc: Andi Kleen <[email protected]>
Cc: Athira Rajeev <[email protected]>
Cc: Colin Ian King <[email protected]>
Cc: Dapeng Mi <[email protected]>
Cc: Howard Chu <[email protected]>
Cc: Ilya Leoshkevich <[email protected]>
Cc: Ingo Molnar <[email protected]>
Cc: James Clark <[email protected]>
Cc: Jiri Olsa <[email protected]>
Cc: Josh Poimboeuf <[email protected]>
Cc: Kan Liang <[email protected]>
Cc: Mark Rutland <[email protected]>
Cc: Michael Petlan <[email protected]>
Cc: Namhyung Kim <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Thomas Richter <[email protected]>
Cc: Veronika Molnarova <[email protected]>
Cc: Weilin Wang <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
perf: perf python: Correctly throw IndexError
Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>

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