Remove gant references

Author: graemerocher

build.gradle

@@ -34,7 +34,6 @@ ext {
     commonsIOVersion = "2.2"
     commonsLangVersion = "2.6"
     datastoreVersion = "6.0.4.RELEASE"
-    gantVersion = "1.9.6"
     gdocEngineVersion = "1.0.1"
     groovyVersion = System.getenv('CI_GROOVY_VERSION') ?: "2.4.7"
     ivyVersion = "2.3.0"

grails-core/build.gradle

@@ -62,10 +62,6 @@ dependencies {
     provided "org.apache.ant:ant:${antVersion}"
     provided "jline:jline:$jlineVersion"
     provided "org.fusesource.jansi:jansi:$jansiVersion"
-    provided("org.codehaus.gant:gant_groovy1.8:${gantVersion}") {
-        exclude group:'commons-cli', module:'commons-cli'
-        exclude group:'org.apache.ant', module:'ant'
-    }
 
 }