Removed nearly all dependencies as they were not required.

build.gradle

@@ -26,36 +26,20 @@ tasks.withType(JavaCompile) {
 
 buildscript {
     repositories {
-        mavenLocal()
+        // for the build-tools
         mavenCentral()
+        // for some build-tools dependencies
         jcenter()
+        // for caching
+        mavenLocal()
     }
 
     dependencies {
         classpath "org.elasticsearch.gradle:build-tools:5.2.2"
     }
 }
 
-// esplugin forces transitive:false on all dependencies
-// so list all transitive dependencies individually
 dependencies {
-    compile "org.carrot2:carrot2-mini:3.15.0"
-    compile "org.simpleframework:simple-xml:2.7.1"
-    compile "com.carrotsearch:hppc:0.7.1"
-    compile "org.carrot2.attributes:attributes-binder:1.3.1"
-    compile "org.simpleframework:simple-xml:2.7.1"
-    compile "org.carrot2.shaded:carrot2-guava:18.0"
-    compile "commons-lang:commons-lang:2.6"
-    compile "com.fasterxml.jackson.core:jackson-core:2.8.6"
-    compile "com.fasterxml.jackson.core:jackson-annotations:2.8.6"
-    compile "com.fasterxml.jackson.core:jackson-databind:2.8.6"
-    compile "org.slf4j:slf4j-api:1.7.13"
-    compile "org.carrot2:morfologik-stemming:2.1.0"
-    compile "org.carrot2:morfologik-fsa:2.1.0"
-
-    testCompile "org.assertj:assertj-core:2.1.0"
-    testCompile "org.json:json:20140107"
-    testCompile "org.elasticsearch.client:transport:5.2.2"
     testCompile 'commons-io:commons-io:2.5'
 }