Delete ic_lock_black_24dp.xml

rocket-chat-android-widgets/src/main/res/drawable/ic_lock_black_24dp.xml

-<?xml version="1.0" encoding="utf-8"?>
-<vector xmlns:android="http://schemas.android.com/apk/res/android"
-    android:width="24dp"
-    android:height="24dp"
-    android:viewportWidth="24"
-    android:viewportHeight="24">
-
-    <path
-        android:fillColor="#FF000000"
-        android:pathData="M18.4596,11.5696 C18.2364,11.3465,17.9655,11.235,17.6466,11.235 L17.2642,11.235
-            L17.2642,8.93953 C17.2642,7.47311,16.7384,6.21399,15.6863,5.16197
-            C14.6343,4.10991,13.3753,3.58388,11.9087,3.58388
-            C10.4421,3.58388,9.18288,4.10991,8.13098,5.16193
-            C7.07892,6.21399,6.55305,7.47307,6.55305,8.93953 L6.55305,11.235 L6.17056,11.235
-            C5.85188,11.235,5.58084,11.3465,5.35767,11.5696
-            C5.13449,11.7927,5.02295,12.0637,5.02295,12.3827 L5.02295,19.2685
-            C5.02295,19.5872,5.13453,19.8583,5.35767,20.0815
-            C5.58084,20.3045,5.85188,20.4161,6.17056,20.4161 L17.6469,20.4161
-            C17.9658,20.4161,18.2366,20.3046,18.4599,20.0815
-            C18.6828,19.8583,18.7946,19.5872,18.7946,19.2685 L18.7946,12.3825
-            C18.7948,12.0638,18.6828,11.7928,18.4596,11.5696 Z M14.9691,11.235
-            L8.84837,11.235 L8.84837,8.93953 C8.84837,8.09477,9.14729,7.37345,9.745,6.77582
-            C10.3428,6.17811,11.064,5.87931,11.9088,5.87931
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-            C14.6702,7.37341,14.9691,8.09477,14.9691,8.93953 L14.9691,11.235 Z" />
-</vector>
\ No newline at end of file