Revert "Export/import passwords"

This reverts commit 124f97bf56.

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

@@ -72,9 +72,9 @@ public class EntityAccount {
         json.put("insecure", insecure);
         json.put("port", port);
         json.put("user", user);
-        json.put("password", password);
+        json.put("password", "");
         json.put("auth_type", auth_type);
-        json.put("synchronize", synchronize);
+        json.put("synchronize", false);
         json.put("primary", primary);
         if (color != null)
             json.put("color", color);

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

@@ -88,12 +88,12 @@ public class EntityIdentity {
         json.put("insecure", insecure);
         json.put("port", port);
         json.put("user", user);
-        json.put("password", password);
+        json.put("password", "");
         json.put("auth_type", auth_type);
         json.put("primary", primary);
         if (color != null)
             json.put("color", color);
-        json.put("synchronize", synchronize);
+        json.put("synchronize", false);
         json.put("store_sent", store_sent);
         if (sent_folder != null)
             json.put("sent_folder", sent_folder);

app/src/main/res/values/strings.xml

@@ -70,7 +70,7 @@
     <string name="title_setup">Setup</string>
     <string name="title_setup_export">Export settings</string>
     <string name="title_setup_import">Import settings</string>
-    <string name="title_setup_export_do">The export file will contain your passwords, so keep it safe</string>
+    <string name="title_setup_export_do">Accounts and identities will be exported without passwords</string>
     <string name="title_setup_import_do">Imported accounts will be added, not overwritten</string>
     <string name="title_setup_exported">Settings exported</string>
     <string name="title_setup_imported">Settings imported</string>