clean(): removed old docs file

docs/mkdocs.yml

-site_name: Grafana Documentation
-site_url: /
-site_description: Documentation for Grafana, The Graphite and Influxdb dashboard and graph composer
-site_favicon: img/fav32.png
-
-dev_addr: '0.0.0.0:8000'
-
-repo_url: https://github.com/grafana/grafana/
-
-docs_dir: sources
-
-include_search: true
-
-use_absolute_urls: true
-
-# theme: docker
-theme_dir: ./theme/mkdocs/
-theme_center_lead: false
-
-copyright: Copyright © 2014-2015, Coding Instinct AB.
-google_analytics: ['UA-47280256-1', 'grafana.org']
-
-
-pages:
-
-# Introduction:
-# - ['index.md', 'Project', 'About Grafana']
-# - ['project/cla.md', 'Project', 'Contributor License Agreement']
-
-- ['index.md', '**HIDDEN**']
-- ['installation/index.md', 'Installation', 'Installation']
-- ['installation/debian.md', 'Installation', 'Installing on Debian / Ubuntu']
-- ['installation/rpm.md', 'Installation', 'Installing on RPM-based Linux']
-- ['installation/mac.md', 'Installation', 'Installing on Mac OS X']
-- ['installation/windows.md', 'Installation', 'Installing on Windows']
-- ['installation/docker.md', 'Installation', 'Installing on Docker']
-- ['project/building_from_source.md', 'Installation', 'Building from Source']
-
-- ['installation/configuration.md', 'Installation', 'Configuration']
-- ['installation/ldap.md', 'Installation', 'LDAP Integration']
-- ['installation/provisioning.md', 'Installation', 'Provisioning']
-- ['installation/performance.md', 'Installation', 'Performance Tips']
-- ['installation/troubleshooting.md', 'Installation', 'Troubleshooting']
-- ['installation/migrating_to2.md', 'Installation', 'Migrating from v1.x to v2.x']
-- ['installation/behind_proxy.md', 'Installation', 'Grafana behind reverse proxy']
-
-- ['guides/basic_concepts.md', 'User Guides', 'Basic Concepts']
-- ['guides/gettingstarted.md', 'User Guides', 'Getting Started']
-- ['guides/whats-new-in-v3-1.md', 'User Guides', "What's New in Grafana v3.1"]
-- ['guides/whats-new-in-v3.md', 'User Guides', "What's New in Grafana v3.0"]
-- ['guides/whats-new-in-v2-6.md', 'User Guides', "What's New in Grafana v2.6"]
-- ['guides/whats-new-in-v2-5.md', 'User Guides', "What's New in Grafana v2.5"]
-- ['guides/whats-new-in-v2-1.md', 'User Guides', "What's New in Grafana v2.1"]
-- ['guides/whats-new-in-v2.md', 'User Guides', "What's New in Grafana v2.0"]
-- ['guides/screencasts.md', 'User Guides', 'Screencasts']
-
-- ['reference/graph.md', 'Reference', 'Graph Panel']
-- ['reference/singlestat.md', 'Reference', 'Singlestat Panel']
-- ['reference/table_panel.md', 'Reference', 'Table Panel']
-- ['reference/dashlist.md', 'Reference', 'Dashboard List Panel']
-- ['reference/sharing.md', 'Reference', 'Sharing']
-- ['reference/annotations.md', 'Reference', 'Annotations']
-- ['reference/timerange.md', 'Reference', 'Time Range']
-- ['reference/search.md', 'Reference', 'Search']
-- ['reference/templating.md', 'Reference', 'Templating']
-- ['reference/scripting.md', 'Reference', 'Scripting']
-- ['reference/playlist.md', 'Reference', 'Playlist']
-- ['reference/export_import.md', 'Reference', 'Import & Export']
-- ['reference/admin.md', 'Reference', 'Administration']
-- ['reference/keyboard_shortcuts.md', 'Reference', 'Keyboard Shortcuts']
-
-- ['datasources/overview.md', 'Data Sources', 'Overview']
-- ['datasources/graphite.md', 'Data Sources', 'Graphite']
-- ['datasources/elasticsearch.md', 'Data Sources', 'Elasticsearch']
-- ['datasources/cloudwatch.md', 'Data Sources', 'CloudWatch']
-- ['datasources/influxdb.md', 'Data Sources', 'InfluxDB']
-- ['datasources/opentsdb.md', 'Data Sources', 'OpenTSDB']
-- ['datasources/kairosdb.md', 'Data Sources', 'KairosDB']
-- ['datasources/prometheus.md', 'Data Sources', 'Prometheus']
-
-- ['http_api/overview.md', 'API', 'Overview']
-- ['http_api/auth.md', 'API', 'Authentication API']
-- ['http_api/dashboard.md', 'API', 'Dashboard API']
-- ['http_api/data_source.md', 'API', 'Data Source API']
-- ['http_api/org.md', 'API', 'Organisation API']
-- ['http_api/user.md', 'API', 'User API']
-- ['http_api/admin.md', 'API', 'Admin API']
-- ['http_api/snapshot.md', 'API', 'Snapshot API']
-- ['http_api/preferences.md', 'API', 'Preferences API']
-- ['http_api/other.md', 'API', 'Other API']
-
-- ['plugins/index.md', 'Plugins', 'Overview']
-- ['plugins/installation.md', 'Plugins', 'Installation']
-- ['plugins/development.md', 'Plugins', 'Development']
-- ['plugins/apps.md', 'Plugins', 'Apps']
-- ['plugins/datasources.md', 'Plugins', 'Datasources']
-- ['plugins/panels.md', 'Plugins', 'Panels']
-
-- ['tutorials/index.md', 'Tutorials', 'Tutorials']
-- ['tutorials/hubot_howto.md', 'Tutorials', 'How To integrate Hubot and Grafana']
-
-- ['jsearch.md', '**HIDDEN**']