Removed Google Firebase

app/build.gradle

@@ -29,7 +29,6 @@ android {
 dependencies {
     implementation 'com.android.support:recyclerview-v7:27.1.1'
     implementation fileTree(include: ['*.jar'], dir: 'libs')
-    implementation 'com.google.firebase:firebase-crash:11.8.0'
     androidTestImplementation('com.android.support.test.espresso:espresso-core:2.2.2', {
         exclude group: 'com.android.support', module: 'support-annotations'
     })
@@ -51,7 +50,4 @@ dependencies {
     // https://github.com/bignerdranch/expandable-recycler-view
     implementation 'com.bignerdranch.android:expandablerecyclerview:3.0.0-RC1'
     implementation files('libs/jericho-html-3.4.jar')
-    implementation 'com.google.firebase:firebase-core:16.0.1'
 }
-
-apply plugin: 'com.google.gms.google-services'