Remove unused configure-flannel.sh

As of Ica87610b9114bff4277b492de8fe528fe2860108, this file is no longer
referenced by anything.

Change-Id: I01c6f9f86b8c5894e9d7941ead52a4c5c08d38a7

magnum/drivers/common/templates/kubernetes/fragments/configure-flannel.sh

@@ -1,30 +0,0 @@
-#!/bin/sh
-
-. /etc/sysconfig/heat-params
-. /etc/sysconfig/flanneld
-
-FLANNEL_JSON=/etc/sysconfig/flannel-network.json
-
-# Generate a flannel configuration that we will
-# store into etcd using curl.
-cat > $FLANNEL_JSON <<EOF
-{
-  "Network": "$FLANNEL_NETWORK_CIDR",
-  "Subnetlen": $FLANNEL_NETWORK_SUBNETLEN,
-  "Backend": {
-    "Type": "$FLANNEL_BACKEND"
-  }
-}
-EOF
-
-# wait for etcd to become active (we will need it to push the flanneld config)
-while ! curl -sf -o /dev/null $FLANNEL_ETCD/v2/keys/; do
-    echo "waiting for etcd"
-    sleep 1
-done
-
-# put the flannel config in etcd
-echo "creating flanneld config in etcd"
-curl -sf -L $FLANNEL_ETCD/v2/keys/coreos.com/network/config \
-  -X PUT \
-  --data-urlencode value@/etc/sysconfig/flannel-network.json