Always use the motor slider control

sim/state/motornode.ts

@@ -96,11 +96,6 @@ namespace pxsim {
             this.started = true;
         }
 
-        isInput() {
-            // TODO: figure out if a motor is in an input or output state
-            return true;
-        }
-
         setSpeedAsInput(speed: number) {
             this.speed = speed;
         }

sim/visuals/board.ts

@@ -232,11 +232,7 @@ namespace pxsim.visuals {
                 case NodeType.MediumMotor:
                 case NodeType.LargeMotor: {
                     const state = ev3board().getMotors()[port];
-                    if (state.isInput()) {
                     view = new MotorSliderControl(this.element, this.defs, state, port);
-                    } else {
-                        view = new MotorReporterControl(this.element, this.defs, state, port);
-                    }
                     break;
                 }
             }