docs: Remove items from Todo.md

Several items were recently implemented.  Remove the "cubic vs
quadratic" item as investigations into cubic compression weren't
promising.

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>

1 files changed, 0 insertions, 11 deletions

diff --git a/docs/Todo.md b/docs/Todo.md
index 7e938c9f..b0583dbe 100644
--- a/docs/Todo.md
+++ b/docs/Todo.md
@@ -60,8 +60,6 @@ Testing features
 Documentation
 =============
 
-* Document and test running the host software on a Beagle Bone Black.
-
 * Add documentation describing how to perform bed-leveling accurately
   in Klipper. Improve description of stepper phase based bed leveling.
 
@@ -69,16 +67,12 @@ Hardware features
 =================
 
 * Port to additional micro-controller architectures:
- * Beagle Bone Black PRU
  * Smoothieboard / NXP LPC1769 (ARM cortex-M3)
- * Unix based scheduling; Unix based real-time scheduling
 
 * Support for additional kinematics: scara, etc.
 
 * Support shared motor enable GPIO lines.
 
-* Support for multiple extruders.
-
 * Support for bed-level probes.
 
 * Possible support for touch panels attached to the micro-controller.
@@ -87,14 +81,9 @@ Hardware features
   it would also be useful to handle panels already hardwired to the
   micro-controller.)
 
-* Possibly support printers using multiple micro-controllers.
-
 Misc features
 =============
 
-* Possibly use cubic functions instead of quadratic functions in step
-  compression code.
-
 * Possibly support a "feed forward PID" that takes into account the
   amount of plastic being extruded. If the extrude rate changes
   significantly during a print it can cause heating bumps that the PID