fix(db): remove unused CBX/PDF cache cleanup cron entries (#2402)

Co-authored-by: acx10 <acx10@users.noreply.github.com>

Author: acx10

booklore-api/src/main/java/com/adityachandel/booklore/task/TaskType.java

@@ -3,15 +3,6 @@
 import lombok.Getter;
 
 public enum TaskType {
-
-    CLEAR_PDF_CACHE(
-            false,
-            false,
-            true,
-            false,
-            "Clear PDF Cache",
-            "Clears temporarily generated images used by the streaming PDF reader."
-    ),
     REFRESH_LIBRARY_METADATA(
             false,
             true,

booklore-api/src/main/resources/db/migration/V99__Delete_clear_pdf_cbx_cache_task_cron.sql

@@ -0,0 +1,2 @@
+DELETE FROM task_cron_configuration WHERE task_type = 'CLEAR_CBX_CACHE';
+DELETE FROM task_cron_configuration WHERE task_type = 'CLEAR_PDF_CACHE';