remove support for deprecated @WithSpan annotation from spring starter

instrumentation/spring/spring-boot-autoconfigure/src/main/java/io/opentelemetry/instrumentation/spring/autoconfigure/instrumentation/annotations/InstrumentationAnnotationsAutoConfiguration.java

@@ -30,11 +30,4 @@ public class InstrumentationAnnotationsAutoConfiguration {
   InstrumentationWithSpanAspect otelInstrumentationWithSpanAspect(OpenTelemetry openTelemetry) {
     return new InstrumentationWithSpanAspect(openTelemetry, parameterNameDiscoverer);
   }
-
-  @Bean
-  @SuppressWarnings("deprecation") // instrumenting deprecated class for backwards compatibility
-  @ConditionalOnClass(io.opentelemetry.extension.annotations.WithSpan.class)
-  SdkExtensionWithSpanAspect otelSdkExtensionWithSpanAspect(OpenTelemetry openTelemetry) {
-    return new SdkExtensionWithSpanAspect(openTelemetry, parameterNameDiscoverer);
-  }
 }

instrumentation/spring/spring-boot-autoconfigure/src/main/java/io/opentelemetry/instrumentation/spring/autoconfigure/instrumentation/annotations/JoinPointRequest.java

@@ -69,25 +69,4 @@ public JoinPointRequest create(JoinPoint joinPoint) {
       return new JoinPointRequest(joinPoint, method, spanName, spanKind);
     }
   }
-
-  static final class SdkExtensionAnnotationFactory implements Factory {
-
-    @Override
-    @SuppressWarnings("deprecation") // instrumenting deprecated class for backwards compatibility
-    public JoinPointRequest create(JoinPoint joinPoint) {
-      MethodSignature methodSignature = (MethodSignature) joinPoint.getSignature();
-      Method method = methodSignature.getMethod();
-
-      // in rare cases, when interface method does not have annotations but the implementation does,
-      // and the AspectJ factory is configured to proxy interfaces, this class will receive the
-      // abstract interface method (without annotations) instead of the implementation method (with
-      // annotations); these defaults prevent NPEs in this scenario
-      io.opentelemetry.extension.annotations.WithSpan annotation =
-          method.getDeclaredAnnotation(io.opentelemetry.extension.annotations.WithSpan.class);
-      String spanName = annotation != null ? annotation.value() : "";
-      SpanKind spanKind = annotation != null ? annotation.kind() : SpanKind.INTERNAL;
-
-      return new JoinPointRequest(joinPoint, method, spanName, spanKind);
-    }
-  }
 }

instrumentation/spring/spring-boot-autoconfigure/src/main/java/io/opentelemetry/instrumentation/spring/autoconfigure/instrumentation/annotations/WithSpanAspect.java

@@ -19,8 +19,7 @@
 import org.springframework.core.ParameterNameDiscoverer;
 
 /**
- * Uses Spring-AOP to wrap methods marked by {@link WithSpan} (or the deprecated {@link
- * io.opentelemetry.extension.annotations.WithSpan}) in a {@link Span}.
+ * Uses Spring-AOP to wrap methods marked by {@link WithSpan} in a {@link Span}.
  *
  * <p>Ensure methods annotated with {@link WithSpan} are implemented on beans managed by the Spring
  * container.

instrumentation/spring/spring-boot-autoconfigure/src/main/java/io/opentelemetry/instrumentation/spring/autoconfigure/instrumentation/annotations/WithSpanAspectParameterAttributeNamesExtractor.java

@@ -73,18 +73,4 @@ public String spanAttributeName(Parameter parameter) {
       return annotation == null ? null : annotation.value();
     }
   }
-
-  static final class SdkExtensionAnnotationAttributeNameSupplier
-      implements SpanAttributeNameSupplier {
-
-    @Nullable
-    @Override
-    @SuppressWarnings("deprecation") // instrumenting deprecated class for backwards compatibility
-    public String spanAttributeName(Parameter parameter) {
-      io.opentelemetry.extension.annotations.SpanAttribute annotation =
-          parameter.getDeclaredAnnotation(
-              io.opentelemetry.extension.annotations.SpanAttribute.class);
-      return annotation == null ? null : annotation.value();
-    }
-  }
 }