Update Directory.Build.props to remove semantic version (#291)

## Purpose
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does it solve or functionality does it add? -->
* ...

## Does this introduce a breaking change?
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```
[ ] Yes
[ ] No
```

## Pull Request Type
What kind of change does this Pull Request introduce?

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```
[ ] Bugfix
[ ] Feature
[ ] Code style update (formatting, local variables)
[ ] Refactoring (no functional changes, no api changes)
[ ] Documentation content changes
[ ] Other... Please describe:
```

## How to Test
*  Get the code

```
git clone [repo-address]
cd [repo-name]
git checkout [branch-name]
npm install
```

* Test the code
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```

## What to Check
Verify that the following are valid
* ...

## Other Information
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app/Directory.Build.props

@@ -5,11 +5,10 @@
     <AzureIdentityVersion>1.10.1</AzureIdentityVersion>
     <AzureSearchDocumentsVersion>11.5.0-beta.4</AzureSearchDocumentsVersion>
     <AzureStorageBlobsVersion>12.17.0</AzureStorageBlobsVersion>
-    <SemanticKernelVersion>0.24.230918.1-preview</SemanticKernelVersion>
     <AzureOpenAIVersion>1.0.0-beta.7</AzureOpenAIVersion>
     <WebAssemblyVersion>7.0.10</WebAssemblyVersion>
     <WebAssemblyDevServerVersion>7.0.10</WebAssemblyDevServerVersion>
     <MicrosoftMLVersion>2.0.1</MicrosoftMLVersion>
   </PropertyGroup>
 
-</Project>
+</Project>