Remove unused include

Test: pass
Bug: 63135587
Change-Id: I541d3bbcc07d2c09f68e84fbdc91df2bce3e9d44
diff --git a/rild/rild.c b/rild/rild.c
index fb4955a..7158c44 100644
--- a/rild/rild.c
+++ b/rild/rild.c
@@ -35,8 +35,6 @@
 #include <sys/types.h>
 #include <libril/ril_ex.h>
 
-#include <private/android_filesystem_config.h>
-
 #define LIB_PATH_PROPERTY   "rild.libpath"
 #define LIB_ARGS_PROPERTY   "rild.libargs"
 #define MAX_LIB_ARGS        16