clang-tidy: add explicit deleted constructors

Found with cppcoreguidelines-special-member-functions

Signed-off-by: Rosen Penev <rosenp@gmail.com>

src/input/plugins/QobuzInputPlugin.cxx

@@ -57,6 +57,9 @@ public:
 		qobuz_client->RemoveLoginHandler(*this);
 	}
 
+	QobuzInputStream(const QobuzInputStream &) = delete;
+	QobuzInputStream &operator=(const QobuzInputStream &) = delete;
+
 	/* virtual methods from InputStream */
 
 	void Check() override {