obs-filters/obs-outputs: Cleanup unused var warns

Fix unused variables when compiling without rnnoise
Fix unused variable warnings in GCC when using assert() in release

plugins/obs-filters/noise-suppress-filter.c

@@ -376,6 +376,8 @@ static inline void process_rnnoise(struct noise_suppress_data *ng)
 			}
 		}
 	}
+#else
+	UNUSED_PARAMETER(ng);
 #endif
 }