fix(android): remove kotlin-bom dependency (#8237)

Author: jcesarmobile

android/capacitor/build.gradle

@@ -13,7 +13,6 @@ ext {
 
 
 buildscript {
-    ext.kotlin_version = project.hasProperty("kotlin_version") ? rootProject.ext.kotlin_version : '2.2.20'
     repositories {
         google()
         mavenCentral()
@@ -79,7 +78,6 @@ repositories {
 
 dependencies {
     implementation fileTree(dir: 'libs', include: ['*.jar'])
-    implementation platform("org.jetbrains.kotlin:kotlin-bom:$kotlin_version")
     implementation "androidx.appcompat:appcompat:$androidxAppCompatVersion"
     implementation "androidx.core:core:$androidxCoreVersion"
     implementation "androidx.activity:activity:$androidxActivityVersion"