reduced runtime deps in order to remove them from uber-jar.
diff --git a/htrace-zipkin/pom.xml b/htrace-zipkin/pom.xml
index 82addff..6f1f324 100644
--- a/htrace-zipkin/pom.xml
+++ b/htrace-zipkin/pom.xml
@@ -69,15 +69,18 @@
<groupId>org.htrace</groupId>
<artifactId>htrace-core</artifactId>
<version>${project.version}</version>
+ <scope>provided</scope>
</dependency>
<!-- Global deps. -->
<dependency>
<groupId>commons-logging</groupId>
<artifactId>commons-logging</artifactId>
+ <scope>provided</scope>
</dependency>
<dependency>
<groupId>com.google.guava</groupId>
<artifactId>guava</artifactId>
+ <scope>provided</scope>
</dependency>
<dependency>
<groupId>junit</groupId>