Remove unused code (#252)

instrumentation/java-util-logging/src/main/java/io/opentelemetry/auto/instrumentation/jul/JavaUtilLoggingSpans.java

@@ -17,7 +17,6 @@ package io.opentelemetry.auto.instrumentation.jul;
 
 import io.opentelemetry.OpenTelemetry;
 import io.opentelemetry.auto.config.Config;
-import io.opentelemetry.trace.AttributeValue;
 import io.opentelemetry.trace.Span;
 import io.opentelemetry.trace.Tracer;
 import java.io.PrintWriter;
@@ -58,10 +57,6 @@ public class JavaUtilLoggingSpans {
     span.end();
   }
 
-  private static AttributeValue newAttributeValue(final String stringValue) {
-    return AttributeValue.stringAttributeValue(stringValue);
-  }
-
   private static String toString(final Throwable t) {
     final StringWriter out = new StringWriter();
     t.printStackTrace(new PrintWriter(out));

instrumentation/log4j/log4j-1.1/src/main/java/io/opentelemetry/auto/instrumentation/log4j/v1_1/Log4jSpans.java

@@ -17,7 +17,6 @@ package io.opentelemetry.auto.instrumentation.log4j.v1_1;
 
 import io.opentelemetry.OpenTelemetry;
 import io.opentelemetry.auto.config.Config;
-import io.opentelemetry.trace.AttributeValue;
 import io.opentelemetry.trace.Span;
 import io.opentelemetry.trace.Tracer;
 import java.io.PrintWriter;
@@ -60,10 +59,6 @@ public class Log4jSpans {
     span.end();
   }
 
-  private static AttributeValue newAttributeValue(final String stringValue) {
-    return AttributeValue.stringAttributeValue(stringValue);
-  }
-
   private static String toString(final Throwable t) {
     final StringWriter out = new StringWriter();
     t.printStackTrace(new PrintWriter(out));

instrumentation/log4j/log4j-2.0/src/main/java/io/opentelemetry/auto/instrumentation/log4j/v2_0/Log4jSpans.java

@@ -17,7 +17,6 @@ package io.opentelemetry.auto.instrumentation.log4j.v2_0;
 
 import io.opentelemetry.OpenTelemetry;
 import io.opentelemetry.auto.config.Config;
-import io.opentelemetry.trace.AttributeValue;
 import io.opentelemetry.trace.Span;
 import io.opentelemetry.trace.Tracer;
 import java.io.PrintWriter;
@@ -50,10 +49,6 @@ public class Log4jSpans {
     span.end();
   }
 
-  private static AttributeValue newAttributeValue(final String stringValue) {
-    return AttributeValue.stringAttributeValue(stringValue);
-  }
-
   private static String toString(final Throwable t) {
     final StringWriter out = new StringWriter();
     t.printStackTrace(new PrintWriter(out));

instrumentation/logback-1.0/src/main/java/io/opentelemetry/auto/instrumentation/logback/LogbackSpans.java

@@ -20,7 +20,6 @@ import ch.qos.logback.classic.spi.ILoggingEvent;
 import ch.qos.logback.classic.spi.ThrowableProxy;
 import io.opentelemetry.OpenTelemetry;
 import io.opentelemetry.auto.config.Config;
-import io.opentelemetry.trace.AttributeValue;
 import io.opentelemetry.trace.Span;
 import io.opentelemetry.trace.Tracer;
 import java.io.PrintWriter;
@@ -40,7 +39,6 @@ public class LogbackSpans {
       // this needs to be configurable
       return;
     }
-    final Span currentSpan = TRACER.getCurrentSpan();
 
     final Object throwableProxy = event.getThrowableProxy();
     Throwable t = null;
@@ -60,10 +58,6 @@ public class LogbackSpans {
     span.end();
   }
 
-  private static AttributeValue newAttributeValue(final String stringValue) {
-    return AttributeValue.stringAttributeValue(stringValue);
-  }
-
   private static String toString(final Throwable t) {
     final StringWriter out = new StringWriter();
     t.printStackTrace(new PrintWriter(out));

instrumentation/mongo/mongo-common/src/test/java/NoOpInstrumentation.java

@@ -1,27 +0,0 @@
-/*
- * Copyright 2020, OpenTelemetry Authors
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-import com.google.auto.service.AutoService;
-import io.opentelemetry.auto.tooling.Instrumenter;
-import net.bytebuddy.agent.builder.AgentBuilder;
-
-@AutoService(Instrumenter.class)
-public class NoOpInstrumentation implements Instrumenter {
-
-  @Override
-  public AgentBuilder instrument(final AgentBuilder agentBuilder) {
-    return agentBuilder;
-  }
-}