Remove remaining Crashlytics stuff

app/build.gradle

@@ -1,24 +1,17 @@
 buildscript {
     repositories {
-        maven { url 'https://maven.fabric.io/public' }
         mavenCentral()
     }
 
     dependencies {
         //noinspection GradleDynamicVersion
-        classpath 'io.fabric.tools:gradle:1.+'
         classpath 'com.jakewharton.hugo:hugo-plugin:1.2.1'
     }
 }
 
 apply plugin: 'com.android.application'
-apply plugin: 'io.fabric'
 apply plugin: 'com.jakewharton.hugo'
 
-repositories {
-    maven { url 'https://maven.fabric.io/public' }
-}
-
 static def gitBranch() {
     def branch = 'GitHub'
     try {
@@ -63,8 +56,6 @@ android {
         debug {
             applicationIdSuffix '.debug'
             versionNameSuffix ' DEBUG (' + gitBranch() + ')'
-
-            ext.enableCrashlytics = false // Disable fabric build ID generation for debug builds
         }
     }
     packagingOptions {