Removed unused dependencies

app/build.gradle.kts

@@ -79,8 +79,6 @@ dependencies {
   implementation(appCompat("recyclerview-v7"))
   implementation("com.android.support.constraint:constraint-layout:1.0.2")
 
-  implementation("com.github.apl-devs:appintro:v4.2.2")
-
   implementation("io.reactivex.rxjava2:rxjava:2.1.3")
 
   implementation(appArch("lifecycle", "runtime", version = "1.0.0"))