Kotlin: Remove unused file

glean-core/android/src/main/java/mozilla/telemetry/glean/private/DistributionData.kt

@@ -1,71 +0,0 @@
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
-
-package mozilla.telemetry.glean.private
-
-import androidx.annotation.VisibleForTesting
-import mozilla.telemetry.glean.utils.tryGetLong
-import org.json.JSONObject
-
-/**
- * This class represents the structure of a distribution according to the pipeline schema. It
- * is meant to help serialize and deserialize data to the correct format for transport and storage,
- * as well as including a helper function to calculate the bucket sizes.
- *
- * @param values a map containing the bucket index mapped to the accumulated count
- * @param sum the accumulated sum of all the samples in the distribution
- */
-@VisibleForTesting(otherwise = VisibleForTesting.PRIVATE)
-data class DistributionData(
-    val values: MutableMap<Long, Long>,
-    var sum: Long
-) {
-    companion object {
-        /**
-         * Factory function that takes stringified JSON and converts it back into a
-         * [DistributionData].  This tries to read all values and attempts to
-         * use a default where no value exists.
-         *
-         * @param json Stringified JSON value representing a [DistributionData] object
-         * @return A [DistributionData] or null if unable to rebuild from the string.
-         */
-        @Suppress("ReturnCount", "ComplexMethod")
-        internal fun fromJsonString(json: String): DistributionData? {
-            val jsonObject: JSONObject
-            try {
-                jsonObject = JSONObject(json)
-            } catch (_: org.json.JSONException) {
-                return null
-            }
-
-            // Attempt to parse the values map, if it fails then something is wrong and we need to
-            // return null.
-            val values = try {
-                val mapData = jsonObject.getJSONObject("values")
-                val valueMap: MutableMap<Long, Long> = mutableMapOf()
-                mapData.keys().forEach { key ->
-                    valueMap[key.toLong()] = mapData.tryGetLong(key) ?: 0L
-                }
-                valueMap
-            } catch (_: org.json.JSONException) {
-                // This should only occur if there isn't a key/value pair stored for "values"
-                return null
-            }
-            val sum = jsonObject.tryGetLong("sum") ?: return null
-
-            return DistributionData(
-                values = values,
-                sum = sum
-            )
-        }
-    }
-
-    /**
-     * The total count of accumulated values.
-     *
-     * This is calculated from all recorded values.
-     */
-    val count: Long
-        get() = values.map { it.value }.sum()
-}