perf tools: Remove debug.h from places where it is not needed

Pruning a bit more the includes dependency tree. Building this thing on
lots of containers takes time, we better reduce the time per build, each
container is doing 6 builds when clang and clang-devel are available,
and the plan is to do a 'make -C tools/perf build-test' that have many
more.

Also helps when doing normal development, as touching some random file
will have a much reduced chance of triggering lots of rebuilds.

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Link: https://lkml.kernel.org/n/tip-r889ur2cxe16m91m2a4pl15p@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

tools/perf/util/libunwind/arm64.c

@@ -22,7 +22,6 @@
 #define LIBUNWIND__ARCH_REG_SP PERF_REG_ARM64_SP
 
 #include "unwind.h"
-#include "debug.h"
 #include "libunwind-aarch64.h"
 #include <../../../../arch/arm64/include/uapi/asm/perf_regs.h>
 #include "../../arch/arm64/util/unwind-libunwind.c"

tools/perf/util/libunwind/x86_32.c

@@ -22,7 +22,6 @@
 #define LIBUNWIND__ARCH_REG_SP PERF_REG_X86_SP
 
 #include "unwind.h"
-#include "debug.h"
 #include "libunwind-x86.h"
 #include <../../../../arch/x86/include/uapi/asm/perf_regs.h>