build: remove sonar plugin from gradle config (fix #140)

build.gradle

@@ -11,8 +11,6 @@ plugins {
 //    id "com.github.ben-manes.versions" version "0.8"
 }
 
-apply plugin: 'sonar-runner'
-
 ext.jadxVersion = file('version').readLines().get(0)
 version = jadxVersion
 
@@ -65,14 +63,6 @@ subprojects {
     }
 }
 
-/* Sonar runner configuration */
-repositories {
-    mavenCentral()
-}
-sonarRunner {
-    toolVersion = '2.4'
-}
-
 task copyArtifacts(type: Sync, dependsOn: ['jadx-cli:installDist', 'jadx-gui:installDist']) {
     destinationDir file("$buildDir/jadx")
     ['jadx-cli', 'jadx-gui'].each {

jadx-samples/build.gradle

@@ -13,10 +13,6 @@ compileJava {
     options.compilerArgs << '-g:none'
 }
 
-sonarRunner {
-    skipProject = true
-}
-
 task samplesRun(type: JavaExec, dependsOn: compileJava) {  
     classpath = sourceSets.main.output
     main = mainSamplesClass  

jadx-test-app/build.gradle

@@ -12,10 +12,6 @@ dependencies {
     compile(project(":jadx-cli"))
 }
 
-sonarRunner {
-    skipProject = true
-}
-
 task deleteTmp(type:Delete) {
     delete testAppTmpDir
 }