Updated gradle configuration.

build.gradle

@@ -1,24 +1,7 @@
 // Top-level build file where you can add configuration options common to all sub-projects/modules.
-buildscript {
-    ext.kotlin_version = '1.6.10'
-    repositories {
-        google()
-        mavenCentral()
-    }
-    dependencies {
-        classpath 'com.android.tools.build:gradle:7.1.2'
-        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:1.6.20"
-        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
-        // NOTE: Do not place your application dependencies here; they belong
-        // in the individual module build.gradle files
-    }
-}
-
-allprojects {
-    repositories {
-        google()
-        mavenCentral()
-    }
+plugins {
+    id 'com.android.application' version '7.1.2' apply false
+    id 'com.android.library' version '7.1.2' apply false
 }
 
 task clean(type: Delete) {