fixup! invoice: Parse amounts without a multiplier as BTC not msats

common/bolt11.c

@@ -616,13 +616,6 @@ struct bolt11 *bolt11_decode(const tal_t *ctx, const char *str,
 		 */
 		b11->msat = NULL;
 	} else {
-		/* BOLT #11:
-		 *
-		 * 2. amount: optional number in that currency, followed by an
-		 * optional `multiplier` letter. The unit encoded here is the
-		 * 'social' convention of a payment unit -- in the case of
-		 * Bitcoin the unit is 'bitcoin' NOT satoshis.
-		 */
 		u64 m10 = 10 * MSAT_PER_BTC; /* Pico satoshis in a Bitcoin */
 		u64 amount;
 		char *end;