Fix log level ClassWriter (#9687)

decrease to Debug level

Author: jpbempel

dd-java-agent/agent-debugger/src/main/java/com/datadog/debugger/agent/DebuggerTransformer.java

@@ -24,7 +24,6 @@
 import com.datadog.debugger.uploader.BatchUploader;
 import com.datadog.debugger.util.ClassFileLines;
 import com.datadog.debugger.util.DebuggerMetrics;
-import com.datadog.debugger.util.ExceptionHelper;
 import datadog.environment.SystemProperties;
 import datadog.trace.agent.tooling.AgentStrategies;
 import datadog.trace.api.Config;
@@ -1009,7 +1008,7 @@ protected String getCommonSuperClass(String type1, String type2) {
         }
         return common.getInternalName();
       } catch (Exception ex) {
-        ExceptionHelper.logException(LOGGER, ex, "getCommonSuperClass failed: ");
+        LOGGER.debug("getCommonSuperClass failed: ", ex);
         return tpDatadogClassLoader.describe("java.lang.Object").resolve().getInternalName();
       }
     }