Remove temp files after 074 completes.

- Remove unused imports.

Signed-off-by: Keith Rothman <537074+litghost@users.noreply.github.com>

fuzzers/074-dump_all/Makefile

@@ -23,6 +23,8 @@ run:
 	$(MAKE) clean
 	$(MAKE) database
 	$(MAKE) pushdb
+	# Clean up intermediate files after successful pushdb.
+	find build -name "*.json5" -delete
 	touch run.ok
 
 clean:

fuzzers/074-dump_all/run_fuzzer.py

@@ -1,8 +1,6 @@
-import os
 import shutil
 import sys
 import subprocess
-import signal
 from multiprocessing import Pool
 from itertools import chain
 import argparse