Revert "no need to shadow deps after restricting classpath to uberjar"

This reverts commit ee3311b.

build.gradle

@@ -289,8 +289,11 @@ shadowJar {
   transform(ApacheLicenseResourceTransformer)
   /* merge service descriptors to avoid Hadoop FileSystem services shadowing each other */
   mergeServiceFiles()
-  /* conflicts with REEF deps */
+  /* Some of our deps conflict with old versions in Hadoop distro */
   relocate 'com.google.common', 'myriadeps.com.google.common'
+  relocate 'javax.ws.rs', 'myriadeps.javax.ws.rs'
+  relocate 'com.fasterxml.jackson', 'myriadeps.com.fasterxml.jackson'
+  relocate 'org.glassfish.jersey', 'myriadeps.org.glassfish.jersey'
 }
 
 /* Coveralls */