Remove empty lines in build.gradle.

ui/build.gradle

@@ -86,10 +86,8 @@ dependencies {
     implementation "com.google.code.gson:gson:$gsonVersion"
     implementation "com.squareup.retrofit2:retrofit:$retrofitVersion"
     implementation "com.squareup.retrofit2:converter-gson:$converterGsonVersion"
-
     implementation "androidx.appcompat:appcompat:$appcompatVersion"
     implementation "androidx.constraintlayout:constraintlayout:$constraintlayoutVersion"
-
     implementation "androidx.lifecycle:lifecycle-extensions:$lifecycleExtensionVersion"
     implementation "androidx.lifecycle:lifecycle-viewmodel:$lifecycleViewModelVersion"
 }