Revert "after npx cap add ... for ios & android"

This reverts commit 17f304ddb8.

android/build.gradle

@@ -1,29 +0,0 @@
-// Top-level build file where you can add configuration options common to all sub-projects/modules.
-
-buildscript {
-    
-    repositories {
-        google()
-        mavenCentral()
-    }
-    dependencies {
-        classpath 'com.android.tools.build:gradle:8.2.1'
-        classpath 'com.google.gms:google-services:4.4.0'
-
-        // NOTE: Do not place your application dependencies here; they belong
-        // in the individual module build.gradle files
-    }
-}
-
-apply from: "variables.gradle"
-
-allprojects {
-    repositories {
-        google()
-        mavenCentral()
-    }
-}
-
-task clean(type: Delete) {
-    delete rootProject.buildDir
-}