update TODO.md

TODO.md

@@ -1,14 +1,9 @@
 ## TODO:
-1. Fully fix integral bars
-2. Proper support for dynamic chart display size.
-3. Fix (very rare) crashes in parsing strings (`TextDecoder.decode: Decoding failed.`)
-4. Multiple functions in one graph.
+1. Multiple functions in one graph.
     - Backend support
-        - Generation of data (Done)
         - Integrals between functions
     - UI
-        - Dynamically create inputs (Done)
         - Dynamically delete inputs
         - Different colors
         - Better Handling of area and integrals
-5. Non `y=` functions.
+2. Non `y=` functions.