Prepare in-proc branch for VNext: Clear notes, update version to 4.44.100 (#11268)

* Update version to 4.44.100

* Clear release notes

---------

Co-authored-by: azure-functions-release[bot] <223311270+azure-functions-release[bot]@users.noreply.github.com>

Author: azure-functions-release[bot]

release_notes.md

@@ -2,7 +2,4 @@
 
 <!-- Please add your release notes in the following format:
 - My change description (#PR)
--->
-- Allow sync trigger to happen in managed environment when `AzureWebJobsStorage` is not set (#11214)
-- Moving to version 1.5.7 of Microsoft.Azure.AppService.Middleware.Functions (https://github.com/Azure/azure-functions-host/pull/11232)
-
+-->

src/Directory.Version.props

@@ -1,6 +1,6 @@
 <Project>
   <PropertyGroup>
-    <VersionPrefix>4.$(MinorVersionPrefix)43.100</VersionPrefix>
+    <VersionPrefix>4.$(MinorVersionPrefix)44.100</VersionPrefix>
     <UpdateBuildNumber>true</UpdateBuildNumber>
   </PropertyGroup>
 </Project>