Reverts "Update changelog version test (#3547)" (#3548)

Reverts: #3547
Initiated by: ricardoamador
Reason for reverting: testing discord revert notification, please ignore
Original PR Author: ricardoamador

Reviewed By: {XilaiZhang}

This change reverts the following previous change:
*Replace this paragraph with a description of what this PR is changing or adding, and why. Consider including before/after screenshots.*

*List which issues are fixed by this PR. You must list at least one issue.*

*If you had to change anything in the [flutter/tests] repo, include a link to the migration guide as per the [breaking change policy].*

auto_submit/CHANGELOG.md

@@ -1,7 +1,3 @@
-## 1.0.0
-
-- Changing version.
-
 ## 0.0.1
 
 - Initial checkin of basic server