Remove % from ambiguity (#1017)

* Remove % from ambiguity

* Update javadocs

---------

Co-authored-by: Sriman Achanta <68172138+srimanachanta@users.noreply.github.com>

photon-targeting/src/main/java/org/photonvision/targeting/PhotonTrackedTarget.java

@@ -97,8 +97,9 @@ public class PhotonTrackedTarget {
     }
 
     /**
-     * Get the ratio of pose reprojection errors, called ambiguity. Numbers above 0.2 are likely to be
-     * ambiguous. -1 if invalid.
+     * Get the ratio of best:alternate pose reprojection errors, called ambiguity. This is betweeen 0
+     * and 1 (0 being no ambiguity, and 1 meaning both have the same reprojection error). Numbers
+     * above 0.2 are likely to be ambiguous. -1 if invalid.
      */
     public double getPoseAmbiguity() {
         return poseAmbiguity;