Correct merge of Common.csproj

Author: edwardneal

src/Microsoft.Data.SqlClient/tests/Common/Common.csproj

@@ -53,8 +53,8 @@
 
   <!-- Fixture-specific References -->
   <ItemGroup>
-    <PackageReference Include="Azure.Identity" Version="$(AzureIdentityVersion)" />
-    <PackageReference Include="Azure.Security.KeyVault.Keys" Version="$(AzureSecurityKeyVaultKeysVersion)" />
+    <PackageReference Include="Azure.Identity" />
+    <PackageReference Include="Azure.Security.KeyVault.Keys" />
   </ItemGroup>
 
 </Project>