revert version (Azure#26611)

Author: Yao725

sdk/resourcemanager/Azure.ResourceManager/CHANGELOG.md

@@ -1,15 +1,5 @@
 # Release History
 
-## 1.0.0-beta.8 (Unreleased)
-
-### Features Added
-
-### Breaking Changes
-
-### Bugs Fixed
-
-### Other Changes
-
 ## 1.0.0-beta.7 (2021-12-23)
 
 ### Breaking Changes

sdk/resourcemanager/Azure.ResourceManager/src/Azure.ResourceManager.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <Version>1.0.0-beta.8</Version>
+    <Version>1.0.0-beta.7</Version>
     <PackageId>Azure.ResourceManager</PackageId>
     <Description>
       Azure management SDK for Azure resources.