Unused variables

src/freedombone-config

 HTMLY_TITLE=
 HTMLY_DOMAIN_NAME=
 HTMLY_CODE=
-MEDIA_SERVER_ENABLED='no'
-MEDIA_SERVER_DOMAIN_NAME=
-MEDIA_SERVER_CODE=
 HUBZILLA_DOMAIN_NAME=
 HUBZILLA_CODE=
 GNUSOCIAL_DOMAIN_NAME=