Review fixes for zio-http-3.0:javaagent (open-telemetry#17208)

Co-authored-by: otelbot <197425009+otelbot@users.noreply.github.com>

Author: otelbot[bot]

instrumentation/zio/zio-http-3.0/javaagent/src/main/java/io/opentelemetry/javaagent/instrumentation/ziohttp/v3_0/RoutePatternInstrumentation.java

@@ -5,7 +5,6 @@
 
 package io.opentelemetry.javaagent.instrumentation.ziohttp.v3_0;
 
-import static net.bytebuddy.matcher.ElementMatchers.isMethod;
 import static net.bytebuddy.matcher.ElementMatchers.named;
 import static net.bytebuddy.matcher.ElementMatchers.takesArgument;
 
@@ -28,7 +27,7 @@ public ElementMatcher<TypeDescription> typeMatcher() {
   @Override
   public void transform(TypeTransformer transformer) {
     transformer.applyAdviceToMethod(
-        isMethod().and(named("$minus$greater")).and(takesArgument(0, named("zio.http.Handler"))),
+        named("$minus$greater").and(takesArgument(0, named("zio.http.Handler"))),
         getClass().getName() + "$CreateRouteAdvice");
   }