update m1.md

Author: gslloyd

_milestones/m1.md

@@ -127,7 +127,7 @@ The receiver is always active. Energy received on the 10 player frequency channe
 ### Analog Board Receiver
 
 Submit the oscilloscope captured CSV file for the "M1 Receiver Passoff"
-assignment through Learning Suite and Gradescope.
+assignment through Gradescope.
 
 {: .important }
 The CSV file should be time-domain data sampled by the oscilloscope