SoC common : build_system: Remove debug code [1/1]

PD#SWPL-166566

Problem:
Debugging code residue exists

Solution:
remove debug code

Verify:
N/A

Change-Id: Ib4ba596d5e1fb163d0e138ac80c8a79603533d2c
Signed-off-by: shijie.xiong <shijie.xiong@amlogic.com>
diff --git a/Makefile b/Makefile
index 038a2c2..86ab9dd 100644
--- a/Makefile
+++ b/Makefile
@@ -285,10 +285,7 @@
 			$(call MESSAGE,"Extracting $@"); \
 			mkdir -p $($@_DIR); \
 			tar -xf $(CROSSTOOL).tar.xz -C $($@_DIR) --strip-components=1; \
-			sync; \
 			touch $($@_DIR); \
-			ls -la $($@_DIR)/bin; \
-			$($@_DIR)/bin/aarch64-none-elf-gcc -v; \
 		fi; \
 		if ( find $(CROSSTOOL).tar.xz -newer $($@_DIR) | grep -q $(CROSSTOOL).tar.xz ); then \
 			$(call MESSAGE,"Updating $@"); \