docs(playwrighttesting): removed empty section in changelog (#31797)

### Packages impacted by this PR
 @azure/microsoft-playwright-testing
@azure/create-microsoft-playwright-testing

### Issues associated with this PR


### Describe the problem that is addressed by this PR


### What are the possible designs available to address the problem? If
there are more than one possible design, why was the one in this PR
chosen?


### Are there test cases added in this PR? _(If not, why?)_


### Provide a list of related PRs _(if any)_


### Command used to generate this PR:**_(Applicable only to SDK release
request PRs)_

### Checklists
- [ ] Added impacted package name to the issue description
- [ ] Does this PR needs any fixes in the SDK Generator?** _(If so,
create an Issue in the
[Autorest/typescript](https://github.com/Azure/autorest.typescript)
repository and link it here)_
- [ ] Added a changelog (if necessary)

Co-authored-by: guptakashish <guptakashish@microsoft.com>

sdk/playwrighttesting/create-microsoft-playwright-testing/CHANGELOG.md

@@ -4,12 +4,6 @@
 
 This release improves compatibility with modern JavaScript environments by migrating the package to ECMAScript modules and Vitest
 
-### Features Added
-
-### Breaking Changes
-
-### Bugs Fixed
-
 ### Other Changes
 
 -Migrated package to ECMAScript modules and vitest.

sdk/playwrighttesting/microsoft-playwright-testing/CHANGELOG.md

@@ -4,10 +4,6 @@
 
 This release fixes a bug related to artifact upload and performance enhancements.
 
-### Features Added
-
-### Breaking Changes
-
 ### Bugs Fixed
 
 -Fixed failures when uploading artifacts due to race conditions.