tests: remove obsolete BIP68 detection test.

We've assumed this for ages anyway.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>

daemon/test/scripts/vars.sh

@@ -5,11 +5,6 @@ DATADIR=/tmp/bitcoin-lightning
 CLI="bitcoin-cli -datadir=$DATADIR"
 REGTESTDIR=regtest
 DAEMON="bitcoind -datadir=$DATADIR"
-if grep ^FEATURES ../Makefile | cut -d'#' -f1 | grep -q BIP68; then
-	SEQ_ENFORCEMENT=true
-else
-	SEQ_ENFORCEMENT=false
-fi
 
 findport()
 {