Update known-dependencies.txt

tools/dependencies/known-dependencies.txt

@@ -211,6 +211,3 @@ xz-1.0.jar
 zookeeper-3.4.14.jar
 guava-retrying-2.0.0.jar
 presto-jdbc-0.238.1.jar
-HikariCP-java6-2.3.13.jar
-
-