Revert "common/config: create $RESULT_BASE before dumping kmemleak leaks"

This commit tried to fix the brokennes of the kmemleak support but it
inadvertently broke the creation of the RESULT_BASE directory which lead to
problems creating check.time file. Turns out kmemleak support in xfstests has
more problems and it needs to be majorly refactor and this commit doesn't
really solve the problem. For the time being just revert to at least allow
older configuration files, which have explicitly set RESULT_BASE to work.

This reverts commit 7fc034868d.

Signed-off-by: Nikolay Borisov <nborisov@suse.com>
Reviewed-by: Eryu Guan <guaneryu@gmail.com>
Signed-off-by: Eryu Guan <guaneryu@gmail.com>

check

@@ -538,6 +538,13 @@ for section in $HOST_OPTIONS_SECTIONS; do
 		fi
 	fi
 
+	mkdir -p $RESULT_BASE
+	if [ ! -d $RESULT_BASE ]; then
+		echo "failed to create results directory $RESULT_BASE"
+		status=1
+		exit
+	fi
+
 	if $OPTIONS_HAVE_SECTIONS; then
 		echo "SECTION       -- $section"
 	fi