perf tools: Ditch unused PATH_SEP, STRIP_EXTENSION

Should make sense for windows, where git is supported.

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/n/tip-lzxlhmqrizk72d0zcsreggy8@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

tools/perf/perf.c

@@ -328,16 +328,6 @@ static void handle_internal_command(int argc, const char **argv)
 {
 	const char *cmd = argv[0];
 	unsigned int i;
-	static const char ext[] = STRIP_EXTENSION;
-
-	if (sizeof(ext) > 1) {
-		i = strlen(argv[0]) - strlen(ext);
-		if (i > 0 && !strcmp(argv[0] + i, ext)) {
-			char *argv0 = strdup(argv[0]);
-			argv[0] = cmd = argv0;
-			argv0[i] = '\0';
-		}
-	}
 
 	/* Turn "perf cmd --help" into "perf help cmd" */
 	if (argc > 1 && !strcmp(argv[1], "--help")) {

tools/perf/util/util.h

@@ -49,22 +49,6 @@ extern const char *spaces;
 extern const char *dots;
 extern char buildid_dir[];
 
-#ifndef PATH_SEP
-#define PATH_SEP ':'
-#endif
-
-#ifndef STRIP_EXTENSION
-#define STRIP_EXTENSION ""
-#endif
-
-#ifndef has_dos_drive_prefix
-#define has_dos_drive_prefix(path) 0
-#endif
-
-#ifndef is_dir_sep
-#define is_dir_sep(c) ((c) == '/')
-#endif
-
 #ifdef __GNUC__
 #define NORETURN __attribute__((__noreturn__))
 #else