chore: Remove default WorkManager initializer from Manifest

This commit removes the `androidx.startup.InitializationProvider` and its associated `WorkManagerInitializer` meta-data from the `AndroidManifest.xml`. This is typically done to allow for custom configuration of `WorkManager` or to migrate to on-demand initialization.

Signed-off-by: invokevirtual <purwarpranav80@gmail.com>

Author: PranavPurwar

Reef/src/main/AndroidManifest.xml

@@ -94,15 +94,5 @@
             </intent-filter>
         </receiver>
 
-        <provider
-            android:name="androidx.startup.InitializationProvider"
-            android:authorities="${applicationId}.androidx-startup"
-            android:exported="false"
-            tools:node="merge">
-            <meta-data
-                android:name="androidx.work.WorkManagerInitializer"
-                android:value="androidx.startup" />
-        </provider>
-
     </application>
 </manifest>