simply implementation

Author: Jean-Francois Breault

instrumentation/spring/spring-boot-autoconfigure/src/main/java/io/opentelemetry/instrumentation/spring/autoconfigure/instrumentation/logging/LogbackAppenderInstaller.java

@@ -30,15 +30,14 @@ static void install(ApplicationEnvironmentPreparedEvent applicationEnvironmentPr
 
   private static boolean isLogbackAppenderAddable(
       ApplicationEnvironmentPreparedEvent applicationEnvironmentPreparedEvent) {
-    Boolean otelSdkDisableProperty =
+    boolean otelSdkDisableProperty =
         evaluateBooleanProperty(applicationEnvironmentPreparedEvent, "otel.sdk.disabled", false);
-    Boolean logbackInstrumentationEnabledProperty =
+    boolean logbackInstrumentationEnabledProperty =
         evaluateBooleanProperty(
             applicationEnvironmentPreparedEvent,
             "otel.instrumentation.logback-appender.enabled",
             true);
-    return !otelSdkDisableProperty.booleanValue()
-        || logbackInstrumentationEnabledProperty.booleanValue();
+    return !otelSdkDisableProperty || logbackInstrumentationEnabledProperty;
   }
 
   private static void reInitializeOpenTelemetryAppender(
@@ -133,7 +132,7 @@ private static Boolean evaluateBooleanProperty(
         .getProperty(property, Boolean.class);
   }
 
-  private static Boolean evaluateBooleanProperty(
+  private static boolean evaluateBooleanProperty(
       ApplicationEnvironmentPreparedEvent applicationEnvironmentPreparedEvent,
       String property,
       boolean defaultValue) {