Remove unreleased header for 5.8.x change log file

MauricioFauth · MauricioFauth · commit 1be109e36b38 · 2023-09-16T17:46:17.000-03:00
A new section should be added for a new 5.8 release.

[ci skip]

Signed-off-by: Maurício Meneghini Fauth &lt;mauricio@fauth.dev&gt;
diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -1,7 +1,5 @@
 # Change Log
 
-## [5.8.x] - YYYY-MM-DD
-
 ## [5.8.1] - 2023-09-15
 
 - Fix `:=` was not recognized as an operator just like `=` (#306)
