Update README.md

Author: AlSchlo

README.md

@@ -3,11 +3,3 @@
 # optd
 
 Query Optimizer Service
-
-TODO(now):
-1. Physical stuff
-2. Add group in CIR, so we can support optimize() [later]
-
-TODO(later):
-1. Forking in deriving & costing :think:
-2. Handle * and $ -> both derive & cost same!