[skip ci] remove temporary workaround from integration tests

Makefile

@@ -43,14 +43,8 @@ test: build
 	$(GOTEST) -v ./... 2>&1
 
 integration-test: build
-	# temporary workaround, remove next line when x/net false positive is fixed
-	echo 'CVE-2018-17142 until=2020-10-22 #x/net false positive\nCVE-2018-17846 until=2020-10-22\nCVE-2018-17143 until=2020-10-22\nCVE-2018-17847 until=2020-10-22\nCVE-2018-17848 until=2020-10-22' > packages/testdata/.nancy-ignore
 	cd packages/testdata && GOPATH=. ../../$(BINARY_NAME) sleuth -p Gopkg.lock && cd -
-	# temporary workaround, remove next line when x/net false positive is fixed
-	mv packages/testdata/.nancy-ignore .
 	go list -json -m all | ./$(BINARY_NAME) sleuth
 	go list -m all | ./$(BINARY_NAME) sleuth
 	go list -json -m all > deps.out && ./$(BINARY_NAME) sleuth < deps.out
 	go list -m all > deps.out && ./$(BINARY_NAME) sleuth < deps.out
-	# temporary workaround, remove next line when x/net false positive is fixed
-	rm .nancy-ignore