Remove unused EB config

.ebextensions/mongodb.config

@@ -1,27 +0,0 @@
-files:
-  "/home/ec2-user/install_mongo.sh" :
-    mode: "0007555"
-    owner: root
-    group: root
-    content: |
-      #!/bin/bash
-      echo "[MongoDB]
-      name=MongoDB Repository
-      baseurl=http://downloads-distro.mongodb.org/repo/redhat/os/x86_64
-      gpgcheck=0
-      enabled=1" | tee -a /etc/yum.repos.d/mongodb.repo
-      yum -y update
-      yum -y install mongodb-org-server mongodb-org-shell mongodb-org-tools
-
-commands:
-  01install_mongo:
-    command: ./install_mongo.sh
-    cwd: /home/ec2-user
-    test: '[ ! -f /usr/bin/mongo ] && echo "MongoDB not installed"'
-
-services:
-  sysvinit:
-    mongod:
-      enabled: true
-      ensureRunning: true
-      commands: ['01install_mongo']