Fix typo (#11672)

Author: laurit

instrumentation-annotations-support/src/main/java/io/opentelemetry/instrumentation/api/annotation/support/AnnotationReflectionHelper.java

@@ -14,7 +14,7 @@
 import java.util.function.Function;
 import javax.annotation.Nullable;
 
-/** Helper class for reflecting over annotations at runtime.. */
+/** Helper class for reflecting over annotations at runtime. */
 public class AnnotationReflectionHelper {
   private AnnotationReflectionHelper() {}