delete the temp files

Author: simsong

test/tools/autotools/test_loaddb.sh

@@ -1,4 +1,7 @@
 #!/bin/bash -e
 
+/bin/rm -f apfs_pool.db
 "tools/autotools/tsk_loaddb$EXEEXT" -d apfs_pool.db $SLEUTHKIT_TEST_DATA_DIR/apfs/apfs_pool.E01
+
+/bin/rm -f issue_3235.db
 "tools/autotools/tsk_loaddb$EXEEXT" -d issue_3235.db $SLEUTHKIT_TEST_DATA_DIR/fuzzing/lvm_test_issue_3235.E01