Removed jcenter repository completely

appthemehelper/build.gradle

@@ -24,7 +24,7 @@ android {
 dependencies {
     implementation fileTree(include: ['*.jar'], dir: 'libs')
     implementation 'androidx.appcompat:appcompat:1.3.1'
-    implementation 'com.google.android.material:material:1.4.0'
+    implementation 'com.google.android.material:material:1.5.0-alpha05'
     implementation 'androidx.preference:preference-ktx:1.1.1'
     implementation 'androidx.cardview:cardview:1.0.0'
 

build.gradle

@@ -18,7 +18,6 @@ buildscript {
 allprojects {
     repositories {
         google()
-        jcenter()
         mavenCentral()
         maven { url "https://jitpack.io" }
     }