smoke-test: Remove all dev artifacts in DMG cleanup

The remove-driver-dev-dmg target was missing removal of
scylladb_static.pc and libscylladb_static.a, which could
leave stale files under /usr/local between smoke-test runs.

Author: wprzytula

packaging/smoke-test-app/Makefile

@@ -421,7 +421,9 @@ remove-driver-pkg:
 remove-driver-dev-dmg:
 	sudo rm -f /usr/local/include/cassandra.h 2>/dev/null || true
 	sudo rm -f /usr/local/lib/pkgconfig/scylladb.pc 2>/dev/null || true
+	sudo rm -f /usr/local/lib/pkgconfig/scylladb_static.pc 2>/dev/null || true
 	sudo rm -f /usr/local/lib/pkgconfig/cassandra.pc 2>/dev/null || true
+	sudo rm -f /usr/local/lib/libscylladb_static.a 2>/dev/null || true
 	sudo rm -f /usr/local/lib/libcassandra.* 2>/dev/null || true
 
 remove-driver-dmg: