Rename launch script for launch awx web

launch_awx.sh that this PR rename is also now only use for launching awx web container renaming to reflect it's purpose

also remove the no longer needed creation of rsyslog conf as rsyslog is no longer in the web container

Update Dockerfile.j2

tools/ansible/roles/dockerfile/files/launch_awx_web.sh

@@ -0,0 +1,20 @@
+#!/usr/bin/env bash
+if [ `id -u` -ge 500 ]; then
+    echo "awx:x:`id -u`:`id -g`:,,,:/var/lib/awx:/bin/bash" >> /tmp/passwd
+    cat /tmp/passwd > /etc/passwd
+    rm /tmp/passwd
+fi
+
+if [ -n "${AWX_KUBE_DEVEL}" ]; then
+    pushd /awx_devel
+    make awx-link
+    popd
+
+    export SDB_NOTIFY_HOST=$MY_POD_IP
+fi
+
+set -e
+
+wait-for-migrations
+
+exec supervisord -c /etc/supervisord_web.conf