Wrapper and dependencies update

build.gradle

@@ -19,7 +19,7 @@
 
 buildscript {
     ext {
-        gradle_version = '4.0.2'
+        gradle_version = '4.1.0'
         gradle_plugin_version = '1.4.10'
         material_version = '1.2.1'
         constraint_layout_version = '2.0.2'
@@ -29,14 +29,12 @@ buildscript {
         hilt_version = '2.29.1-alpha'
         hilt_viewmodel_version = '1.0.0-alpha02'
         retrofit_version = '2.9.0'
-        app_intro_version = '6.0.0'
         osmdroid_version = '6.1.8'
         predict4java_version = '1.3.1'
     }
     repositories {
         google()
         jcenter()
-        maven { url "https://jitpack.io" }
     }
     dependencies {
         classpath "com.android.tools.build:gradle:$gradle_version"
@@ -50,7 +48,6 @@ allprojects {
     repositories {
         google()
         jcenter()
-        maven { url "https://jitpack.io" }
     }
 }