input/hog-lib: Remove spammy debug message

It doesn't provide much info comparing to btmon and gets very spammy
when debug messages are enabled.
diff --git a/profiles/input/hog-lib.c b/profiles/input/hog-lib.c
index 1df1799..0884ef7 100644
--- a/profiles/input/hog-lib.c
+++ b/profiles/input/hog-lib.c
@@ -315,8 +315,6 @@
 		error("bt_uhid_send: %s (%d)", strerror(-err), -err);
 		return;
 	}
-
-	DBG("HoG report (%u bytes)", ev.u.input.size);
 }
 
 static void report_ccc_written_cb(guint8 status, const guint8 *pdu,