Cleanup ivy file in helix-view-aggregator (#2110)

Remove unused code block
diff --git a/helix-view-aggregator/helix-view-aggregator-1.0.5-SNAPSHOT.ivy b/helix-view-aggregator/helix-view-aggregator-1.0.5-SNAPSHOT.ivy
index a304a05..cc8948a 100644
--- a/helix-view-aggregator/helix-view-aggregator-1.0.5-SNAPSHOT.ivy
+++ b/helix-view-aggregator/helix-view-aggregator-1.0.5-SNAPSHOT.ivy
@@ -41,9 +41,6 @@
     <dependency org="org.apache.logging.log4j" name="log4j-slf4j-impl" rev="2.17.1" force="true" conf="compile->compile(*),master(*);runtime->runtime(*)">
         <artifact name="log4j-slf4j-impl" ext="jar"/>
     </dependency>
-    <--dependency org="org.slf4j" name="slf4j-log4j12" rev="1.7.14" force="true" conf="compile->compile(*),master(*);runtime->runtime(*)">
-        <artifact name="slf4j-log4j12" ext="jar"/>
-    </dependency-->
 		<dependency org="org.apache.helix" name="helix-core" rev="1.0.5-SNAPSHOT" force="true" conf="compile->compile(*),master(*);runtime->runtime(*)"/>
 		<dependency org="org.codehaus.jackson" name="jackson-core-asl" rev="1.8.5" force="true" conf="compile->compile(*),master(*);runtime->runtime(*)"/>
 		<dependency org="org.codehaus.jackson" name="jackson-mapper-asl" rev="1.8.5" force="true" conf="compile->compile(*),master(*);runtime->runtime(*)"/>