Fix `Lint/RedundantSafeNavigation` cop (#28172)

app/controllers/api/v1/accounts_controller.rb

@@ -49,7 +49,7 @@ class Api::V1::AccountsController < Api::BaseController
   end
 
   def mute
-    MuteService.new.call(current_user.account, @account, notifications: truthy_param?(:notifications), duration: (params[:duration]&.to_i || 0))
+    MuteService.new.call(current_user.account, @account, notifications: truthy_param?(:notifications), duration: params[:duration].to_i)
     render json: @account, serializer: REST::RelationshipSerializer, relationships: relationships
   end
 

app/models/trends/history.rb

@@ -37,7 +37,7 @@ class Trends::History
     end
 
     def uses
-      with_redis { |redis| redis.get(key_for(:uses))&.to_i || 0 }
+      with_redis { |redis| redis.get(key_for(:uses)).to_i }
     end
 
     def add(account_id)