Revert "Guard Bugsnag delivery"

This reverts commit d69d0097ef.

app/src/main/java/com/bugsnag/android/DefaultDelivery.kt

@@ -35,8 +35,6 @@ internal class DefaultDelivery(
         integrity: String?,
         headers: Map<String, String?>
     ): DeliveryStatus {
-        if (!System.getProperty("com.bugsnag.android.enabled").toBoolean())
-            return DeliveryStatus.FAILURE // Should not happen
 
         TrafficStats.setThreadStatsTag(1)
         if (connectivity != null && !connectivity.hasNetworkConnection()) {

app/src/main/java/eu/faircode/email/Log.java

@@ -314,7 +314,6 @@ public class Log {
 
     static void setCrashReporting(boolean enabled) {
         try {
-            System.setProperty("com.bugsnag.android.enabled", Boolean.toString(enabled));
             if (enabled)
                 Bugsnag.resumeSession();
             else
@@ -590,10 +589,8 @@ public class Log {
             Log.i("uuid=" + uuid);
             client.setUser(uuid, null, null);
 
-            if (prefs.getBoolean("crash_reports", false) || Log.isTestRelease()) {
-                System.setProperty("com.bugsnag.android.enabled", Boolean.toString(true));
+            if (prefs.getBoolean("crash_reports", false) || Log.isTestRelease())
                 Bugsnag.startSession();
-            }
         } catch (Throwable ex) {
             Log.e(ex);
             /*