aarch64: disable LD_DEBUG in uClibc-ng config

target/aarch64/uclibc-ng.config

@@ -248,7 +248,7 @@ UCLIBC_EXTRA_CFLAGS=""
 # DODEBUG is not set
 # DOSTRIP is not set
 # DOASSERTS is not set
-SUPPORT_LD_DEBUG=y
+# SUPPORT_LD_DEBUG is not set
 # SUPPORT_LD_DEBUG_EARLY is not set
 # UCLIBC_MALLOC_DEBUGGING is not set
 # UCLIBC_HAS_BACKTRACE is not set