Remove no longer relevent comment about semconv stability (#11232)

instrumentation/runtime-telemetry/runtime-telemetry-java8/library/src/main/java/io/opentelemetry/instrumentation/runtimemetrics/java8/internal/ExperimentalBufferPools.java

@@ -20,9 +20,7 @@ import java.util.function.Consumer;
 import java.util.function.Function;
 
 /**
- * Registers measurements that generate experimental metrics about buffer pools. These metrics will
- * only be generated the preview of stable JVM semantic conventions (e.g. by setting the {@code
- * otel.semconv-stability.opt-in} system property to {@code jvm}) is enabled.
+ * Registers measurements that generate experimental metrics about buffer pools.
  *
  * <p>This class is internal and is hence not for public use. Its APIs are unstable and can change
  * at any time.

instrumentation/runtime-telemetry/runtime-telemetry-java8/library/src/main/java/io/opentelemetry/instrumentation/runtimemetrics/java8/internal/ExperimentalCpu.java

@@ -15,9 +15,7 @@ import java.util.function.Supplier;
 import javax.annotation.Nullable;
 
 /**
- * Registers measurements that generate experimental metrics about CPU. These metrics will only be
- * generated the preview of stable JVM semantic conventions (e.g. by setting the {@code
- * otel.semconv-stability.opt-in} system property to {@code jvm}) is enabled.
+ * Registers measurements that generate experimental metrics about CPU.
  *
  * <p>This class is internal and is hence not for public use. Its APIs are unstable and can change
  * at any time.

instrumentation/runtime-telemetry/runtime-telemetry-java8/library/src/main/java/io/opentelemetry/instrumentation/runtimemetrics/java8/internal/ExperimentalMemoryPools.java

@@ -22,9 +22,7 @@ import java.util.List;
 import java.util.function.Consumer;
 
 /**
- * Registers measurements that generate experimental metrics about memory pools. These metrics will
- * only be generated the preview of stable JVM semantic conventions (e.g. by setting the {@code
- * otel.semconv-stability.opt-in} system property to {@code jvm}) is enabled.
+ * Registers measurements that generate experimental metrics about memory pools.
  *
  * <p>This class is internal and is hence not for public use. Its APIs are unstable and can change
  * at any time.