Removed load of string vs file for qurt build

DSPAL now supports reading from a file so the change is no longer
required.

Signed-off-by: Mark Charlebois <charlebm@gmail.com>

src/systemcmds/mixer/mixer.cpp

@@ -121,8 +121,6 @@ load(const char *devname, const char *fname)
 		return 1;
 	}
 
-#ifndef __PX4_QURT
-
 	char		buf[2048];
 
 	if (load_mixer_file(fname, &buf[0], sizeof(buf)) < 0) {
@@ -132,24 +130,6 @@ load(const char *devname, const char *fname)
 
 	/* XXX pass the buffer to the device */
 	int ret = px4_ioctl(dev, MIXERIOCLOADBUF, (unsigned long)buf);
-#else
-	char newbuf[] =
-		"R: 4x 10000 10000 10000 0\n"
-		"M: 1\n"
-		"O: 10000 10000 0 -10000 10000\n"
-		"S: 0 4 10000 10000 0 -10000 10000\n"
-		"M: 1\n"
-		"O: 10000 10000 0 -10000 10000\n"
-		"S: 0 5 10000 10000 0 -10000 10000\n"
-		"M: 1\n"
-		"O: 10000 10000 0 -10000 10000\n"
-		"S: 0 6 10000 10000 0 -10000 10000\n"
-		"M: 1\n"
-		"O: 10000 10000 0 -10000 10000\n"
-		"S: 0 7 10000 10000 0 -10000 10000\n";
-	/* XXX pass the buffer to the device */
-	int ret = px4_ioctl(dev, MIXERIOCLOADBUF, (unsigned long)newbuf);
-#endif
 
 	if (ret < 0) {
 		warnx("error loading mixers from %s", fname);