fix: empty tag causes Exception generating Kiota client microsoft#2283

Author: StefanCuypers

src/Microsoft.OpenApi/Reader/V2/OpenApiOperationDeserializer.cs

@@ -19,9 +19,6 @@ namespace Microsoft.OpenApi.Reader.V2
     /// </summary>
     internal static partial class OpenApiV2Deserializer
     {
-        /// <summary>
-        /// Have a default empty tag we can use to filter out empty tags.
-        /// </summary>
         private static readonly FixedFieldMap<OpenApiOperation> _operationFixedFields =
             new()
             {

src/Microsoft.OpenApi/Reader/V3/OpenApiOperationDeserializer.cs

@@ -17,9 +17,6 @@ namespace Microsoft.OpenApi.Reader.V3
     /// </summary>
     internal static partial class OpenApiV3Deserializer
     {
-        /// <summary>
-        /// Have a default empty tag we can use to filter out empty tags.
-        /// </summary>
         private static readonly FixedFieldMap<OpenApiOperation> _operationFixedFields =
             new()
             {

src/Microsoft.OpenApi/Reader/V31/OpenApiOperationDeserializer.cs

@@ -14,9 +14,6 @@ namespace Microsoft.OpenApi.Reader.V31
     /// </summary>
     internal static partial class OpenApiV31Deserializer
     {
-        /// <summary>
-        /// Have a default empty tag we can use to filter out empty tags.
-        /// </summary>
         private static readonly FixedFieldMap<OpenApiOperation> _operationFixedFields =
             new()
             {