deprecate elevator hold extension command because it's lowkey broken

Signed-off-by: Dasun Abeykoon <[email protected]>

Author: dabeycorn

src/main/java/org/frc6423/robot/subsystems/superstructure/elevator/Elevator.java

@@ -238,13 +238,14 @@ public Command runSlowExtension(double extension) {
    *
    * @return {@link Command}
    */
+  @Deprecated
   public Command holdExtension() {
     return Commands.sequence(
         this.run(
                 () -> {
                   var currentPose = hardware.getParentPoseMeters();
 
-                  hardware.setPose(currentPose, SLOW_ACCELERATION.in(MetersPerSecondPerSecond));
+                  hardware.setPose(currentPose, 0.0);
                 })
             .until(() -> true),
         this.run(() -> {}));