tools/process_config: remove unused unnecessary printing

Too much unnecessary printing that meaningless to non-builder developers

Signed-off-by: chao an <anchao.archer@bytedance.com>

tools/process_config.sh

@@ -60,10 +60,6 @@ process_file() {
                 local key_config="$(echo "$line" | cut -d= -f1)="
                 sed -i.backup "/^$key_config/d" "$output_file"
                 echo "$line" >> "$output_file"
-
-                echo "Appended $line to $output_file"
-            else
-                echo "The empty line from defconfig was skipped from adding to $output_file"
             fi
         fi
     done < "$input_file"