remove stale README file

This contains very old and outdated information, so it is better
to remove completely.

README

-PROXMOX VIRTUAL ENVIRONMENT (PVE)
-=================================
-
-TODO:
-
-  * improve API Dokumentation viewer
-
-    - include CLI Tool docs
-
-    - write a widget to render a JSON Schema (parameters, returns)
-
-  * impl. logfile search (like pmg tracking center)
-
-
-RELATED TASKS:
-
-  * vncterm: 
-	implement all vt220/xterm commands, 
-	add regression test suite, 
-
-  * qemu image resize tool?
-
-  * vmware image importer
-
-  * vnc client: the java implementation takes long time to load
-	- can we speedup that?
-	- test http://www.wizhelp.com/flashlight-vnc/ with vncterm
-	- test http://novnc.com/novnc/ novnc
-	- provide custom controls to select 'cdrom'?
-
-  * generate appliances