chore: remove unused imports (#13961)

src/app/modules/main/chat_section/chat_content/messages/module.nim

@@ -1,4 +1,4 @@
-import NimQml, chronicles, sequtils, uuids, sets, times, tables, system, sugar
+import NimQml, chronicles, sequtils, uuids, sets, times, tables, system
 import io_interface
 import ../io_interface as delegate_interface
 import view, controller

src/app/modules/main/wallet_section/activity/controller.nim

@@ -27,7 +27,6 @@ import app_service/service/token/service as token_service
 import app_service/service/wallet_account/service as wallet_account_service
 import app_service/service/saved_address/service as saved_address_service
 
-import app/modules/shared/wallet_utils
 import app/modules/shared_models/currency_amount
 
 proc toRef*[T](obj: T): ref T =

src/app/modules/main/wallet_section/activity/events_handler.nim

@@ -1,5 +1,5 @@
 import NimQml, std/json, sequtils, strutils, options
-import tables, stint, sets
+import tables, stint
 
 import entry
 
@@ -7,7 +7,6 @@ import app/core/eventemitter
 import app/core/signals/types
 
 import backend/activity as backend_activity
-import backend/transactions
 
 type EventCallbackProc = proc (eventObject: JsonNode)
 type WalletEventCallbackProc = proc (data: WalletSignal)