refactor(telemetry): remove DEBUG conditional compilation

Author: BenjaminAbt

src/HttpUserAgentParser/Telemetry/HttpUserAgentParserMeters.cs

@@ -109,7 +109,6 @@ public static void Enable(Meter? meter = null)
     [MethodImpl(MethodImplOptions.AggressiveInlining)]
     public static void ConcurrentCacheMiss() => s_concurrentCacheMiss?.Add(1);
 
-#if DEBUG
     /// <summary>
     /// Resets static state to support isolated unit tests.
     /// </summary>
@@ -124,5 +123,4 @@ public static void ResetForTests()
         s_concurrentCacheMiss = null;
         s_concurrentCacheSize = null;
     }
-#endif
 }

src/HttpUserAgentParser/Telemetry/HttpUserAgentParserTelemetry.cs

@@ -152,15 +152,13 @@ public static void ConcurrentCacheMiss()
     public static void ConcurrentCacheSizeSet(int size)
         => HttpUserAgentParserTelemetryState.SetConcurrentCacheSize(size);
 
-#if DEBUG
     /// <summary>
-    /// Resets static state to support isolated unit tests.
+    /// Resets telemetry state for unit testing.
     /// </summary>
     public static void ResetForTests()
     {
         Volatile.Write(ref s_enabledFlags, 0);
         HttpUserAgentParserTelemetryState.ResetForTests();
         HttpUserAgentParserMeters.ResetForTests();
     }
-#endif
 }

src/HttpUserAgentParser/Telemetry/HttpUserAgentParserTelemetryState.cs

@@ -30,11 +30,9 @@ public static long ConcurrentCacheSize
     public static void SetConcurrentCacheSize(int size)
         => Volatile.Write(ref s_concurrentCacheSize, size);
 
-#if DEBUG
     /// <summary>
     /// Resets the telemetry state for unit tests.
     /// </summary>
     public static void ResetForTests()
         => Volatile.Write(ref s_concurrentCacheSize, 0);
-#endif
 }

tests/HttpUserAgentParser.UnitTests/Telemetry/HttpUserAgentParserMetersTelemetryTests.cs

@@ -13,9 +13,7 @@ public class HttpUserAgentParserMetersTelemetryTests
     [Fact]
     public void Meters_DoNotEmit_WhenDisabled()
     {
-#if DEBUG
         HttpUserAgentParserTelemetry.ResetForTests();
-#endif
 
         using MeterTestListener listener = new(MyCSharp.HttpUserAgentParser.Telemetry.HttpUserAgentParserMeters.MeterName);
 
@@ -28,9 +26,7 @@ public void Meters_DoNotEmit_WhenDisabled()
     [Fact]
     public void Meters_Emit_WhenEnabled()
     {
-#if DEBUG
         HttpUserAgentParserTelemetry.ResetForTests();
-#endif
 
         using MeterTestListener listener = new(MyCSharp.HttpUserAgentParser.Telemetry.HttpUserAgentParserMeters.MeterName);