Remove coverage and test related files, when cleaning up

Until now there were quite a few leftovers, and only the coverage
related files in `src/` were cleaned, while the ones in the other dirs
remained. `qa/tmp/` is related to the BitcoinJ tests, and `cache/` is
related to RPC tests.

Makefile.am

@@ -211,4 +211,4 @@ CLEANFILES = $(OSX_DMG) $(BITCOIN_WIN_INSTALLER)
 .INTERMEDIATE: $(COVERAGE_INFO)
 
 clean-local:
-	rm -rf test_bitcoin.coverage/ total.coverage/ $(OSX_APP)
+	rm -rf coverage_percent.txt test_bitcoin.coverage/ total.coverage/ qa/tmp/ cache/ $(OSX_APP)

src/Makefile.am

@@ -412,7 +412,19 @@ libbitcoinconsensus_la_CPPFLAGS = $(CRYPTO_CFLAGS) -I$(builddir)/obj -DBUILD_BIT
 endif
 #
 
-CLEANFILES = leveldb/libleveldb.a leveldb/libmemenv.a *.gcda *.gcno
+CLEANFILES = leveldb/libleveldb.a leveldb/libmemenv.a
+CLEANFILES += *.gcda *.gcno
+CLEANFILES += compat/*.gcda compat/*.gcno
+CLEANFILES += consensus/*.gcda consensus/*.gcno
+CLEANFILES += crypto/*.gcda crypto/*.gcno
+CLEANFILES += policy/*.gcda policy/*.gcno
+CLEANFILES += primitives/*.gcda primitives/*.gcno
+CLEANFILES += script/*.gcda script/*.gcno
+CLEANFILES += support/*.gcda support/*.gcno
+CLEANFILES += univalue/*.gcda univalue/*.gcno
+CLEANFILES += wallet/*.gcda wallet/*.gcno
+CLEANFILES += wallet/test/*.gcda wallet/test/*.gcno
+CLEANFILES += zmq/*.gcda zmq/*.gcno
 
 DISTCLEANFILES = obj/build.h
 
@@ -422,7 +434,7 @@ clean-local:
 	-$(MAKE) -C leveldb clean
 	-$(MAKE) -C secp256k1 clean
 	-$(MAKE) -C univalue clean
-	rm -f leveldb/*/*.gcno leveldb/helpers/memenv/*.gcno
+	-rm -f leveldb/*/*.gcda leveldb/*/*.gcno leveldb/helpers/memenv/*.gcda leveldb/helpers/memenv/*.gcno
 	-rm -f config.h
 
 .rc.o: