Remove flatDir repositories declaration from build.grade

Author: hitherejoe

app/build.gradle

@@ -5,12 +5,6 @@ apply plugin: 'com.neenbedankt.android-apt'
 //TODO uncomment line below after adding fabric api secret and key to fabric.properties
 //apply plugin: 'io.fabric'
 
-repositories {
- flatDir {
- dirs 'libs'
- }
-}
-
 android {
  compileSdkVersion 23
  buildToolsVersion '23.0.2'