Update python/ql/lib/change-notes/released/0.5.4.md

Co-authored-by: Jeroen Ketema <93738568+jketema@users.noreply.github.com>

Author: igfoo

python/ql/lib/change-notes/released/0.5.4.md

@@ -9,5 +9,4 @@
 
 ### Minor Analysis Improvements
 
-* Most deprecated predicates/classes/modules that have been deprecated for over a year have been 
-deleted.
+* Most deprecated predicates/classes/modules that have been deprecated for over a year have been deleted.