removing check for ExtensionsMetadataGenerator in v1 projects

src/Microsoft.NET.Sdk.Functions.MSBuild/Targets/netstandard1.0/ExtensionsMetadataGeneratorVersion.props

@@ -11,7 +11,7 @@ WARNING:  DO NOT MODIFY this file unless you are knowledgeable about MSBuild and
 <Project ToolsVersion="14.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
 
   <PropertyGroup>
-    <ExtensionsMetadataGeneratorVersion>1.1.1</ExtensionsMetadataGeneratorVersion>
+    <ExtensionsMetadataGeneratorVersion>1.1.2</ExtensionsMetadataGeneratorVersion>
   </PropertyGroup>
 
 </Project>

src/Microsoft.NET.Sdk.Functions.MSBuild/Targets/netstandard1.0/Microsoft.NET.Sdk.Functions.targets

@@ -71,8 +71,8 @@ WARNING:  DO NOT MODIFY this file unless you are knowledgeable about MSBuild and
   ***********************************************************************************************
  -->
   <Target Name="_InitializeFunctionsSdk">
-    <Error Text="The ExtensionsMetadataGenerator package was not imported correctly. Are you missing '$(_ExtensionsMetadataGeneratorTargetsPath)' or '$(_ExtensionsMetadataGeneratorPropsPath)'?"
-           Condition="'$(_ExtensionsMetadataGeneratorTargetsImported)' == '' Or '$(_ExtensionsMetadataGeneratorPropsImported)' == ''" />
+    <Warning Text="The ExtensionsMetadataGenerator package was not imported correctly. Are you missing '$(_ExtensionsMetadataGeneratorTargetsPath)' or '$(_ExtensionsMetadataGeneratorPropsPath)'?"
+             Condition="($(AzureFunctionsVersion) == 'v2' OR $(AzureFunctionsVersion) == 'v2-prerelease') And ('$(_ExtensionsMetadataGeneratorTargetsImported)' == '' Or '$(_ExtensionsMetadataGeneratorPropsImported)' == '')" />
   </Target>
 
 </Project>