Fix scheduled executor social post

Co-authored-by: Copilot App <223556219+Copilot@users.noreply.github.com>

Author: brunoborges

social/tweets.yaml

@@ -1344,7 +1344,7 @@ concurrency/timer-task-to-scheduled-executor: |-
   Replace Timer and TimerTask with ScheduledExecutorService for robust scheduled w…
 
   Timer and TimerTask → ScheduledExecutorService (JDK 5+)
-  🔗 https://javaevolved.github.io/concurrency/timer-task-to-scheduled-executor.html
+
   🔗 https://javaevolved.github.io/concurrency/timer-task-to-scheduled-executor.html
 
   #Java #JavaEvolved