remove htpasswd user first, to make sure password is updated if needed

Former-commit-id: f0b7c43c6180f38957295e1a640d729b83febdca

ansible/deploy.yaml

@@ -94,6 +94,10 @@
     # FIXME: this should obviously be removed before switching to prod. env.
     - name: install passlib for htpasswd in ansible
       yum: name=python-passlib state=installed
+    - htpasswd:
+        path: /etc/ippidb-80/passwdfile
+        name: ippidb
+        state: absent      
     - htpasswd:
         path: /etc/ippidb-80/passwdfile
         name: ippidb