audio: Remove specific library path

Some devices use /system/lib, others do /vendor/lib.
Both are located in LD_LIBRARY_PATH whicn is defined in init.rc.
So it doesn't need to use specific library path.

Change-Id: I97e3abf3f84e8fe2d280d0714a32dd6861b5b937
diff --git a/hal/audio_hw.c b/hal/audio_hw.c
index 92809c8..7ded471 100644
--- a/hal/audio_hw.c
+++ b/hal/audio_hw.c
@@ -33,8 +33,8 @@
 
 #include "audio_hw.h"
 
-#define LIB_ACDB_LOADER "/system/lib/libacdbloader.so"
-#define LIB_CSD_CLIENT "/system/lib/libcsd-client.so"
+#define LIB_ACDB_LOADER "libacdbloader.so"
+#define LIB_CSD_CLIENT "libcsd-client.so"
 #define MIXER_XML_PATH "/system/etc/mixer_paths.xml"
 #define MIXER_CARD 0