Bug 1256236 - Remove unused Distribution.getDescriptor(). r=sebastian

MozReview-Commit-ID: C2I1AJB1xp6

--HG--
extra : amend_source : e8f92237a485151778021a1fc69219de738303ab

mobile/android/base/java/org/mozilla/gecko/distribution/Distribution.java

@@ -350,34 +350,6 @@ public class Distribution {
         return descFile;
     }
 
-    public DistributionDescriptor getDescriptor() {
-        File descFile = getDistributionFile("preferences.json");
-        if (descFile == null) {
-            // Logging and existence checks are handled in getDistributionFile.
-            return null;
-        }
-
-        try {
-            JSONObject all = new JSONObject(FileUtils.getFileContents(descFile));
-
-            if (!all.has("Global")) {
-                Log.e(LOGTAG, "Distribution preferences.json has no Global entry!");
-                return null;
-            }
-
-            return new DistributionDescriptor(all.getJSONObject("Global"));
-
-        } catch (IOException e) {
-            Log.e(LOGTAG, "Error getting distribution descriptor file.", e);
-            Telemetry.addToHistogram(HISTOGRAM_CODE_CATEGORY, CODE_CATEGORY_MALFORMED_DISTRIBUTION);
-            return null;
-        } catch (JSONException e) {
-            Log.e(LOGTAG, "Error parsing preferences.json", e);
-            Telemetry.addToHistogram(HISTOGRAM_CODE_CATEGORY, CODE_CATEGORY_MALFORMED_DISTRIBUTION);
-            return null;
-        }
-    }
-
     /**
      * Get the Android preferences from the preferences.json file, if any exist.
      * @return The preferences in a JSONObject, or an empty JSONObject if no preferences are defined.