fixes

Author: juliuskoval

src/OpenTelemetry.Exporter.Console/Implementation/ConsoleTagWriter.cs

@@ -4,7 +4,6 @@
 using System.Diagnostics;
 using System.Globalization;
 using System.Text;
-using Microsoft.Extensions.Primitives;
 using OpenTelemetry.Internal;
 
 namespace OpenTelemetry.Exporter;

src/OpenTelemetry.Exporter.Zipkin/Implementation/ZipkinTagWriter.cs

@@ -2,7 +2,6 @@
 // SPDX-License-Identifier: Apache-2.0
 
 using System.Buffers.Text;
-using System.Collections;
 using System.Globalization;
 using System.Text.Json;
 using OpenTelemetry.Internal;