Merge pull request #52 from DataDog/vlad/propper-deps-handling-slf4j

[dependencies] Proper handling of slf4j as dependency.

dd-trace/dd-trace.gradle

@@ -39,12 +39,10 @@ shadowJar {
 
     classifier 'shadow'
 
-    relocate 'ch.qos.logback', 'dd.deps.ch.qos.logback'
     relocate 'com.fasterxml', 'dd.deps.com.fasterxml'
     relocate 'com.google', 'dd.deps.com.google'
     relocate 'javassist', 'dd.deps.javassist'
     relocate 'org.jboss.byteman', 'dd.deps.org.jboss.byteman'
     relocate 'org.reflections', 'dd.deps.org.reflections'
-    relocate 'org.slf4j', 'dd.deps.org.slf4j'
     relocate 'org.yaml', 'dd.deps.org.yaml'
 }