Fix Android deprecation warning by removing the Android folder from the package

We don't need a platform folder anyway, this is not an app or a plugin

android/src/build.gradle

@@ -1,64 +0,0 @@
-group 'io.flutter.plugins.googlemaps'
-version '1.0-SNAPSHOT'
-
-buildscript {
-    repositories {
-        google()
-        mavenCentral()
-    }
-
-    dependencies {
-        classpath 'com.android.tools.build:gradle:3.5.0'
-    }
-}
-
-rootProject.allprojects {
-    repositories {
-        google()
-        mavenCentral()
-    }
-}
-
-apply plugin: 'com.android.library'
-
-android {
-    compileSdkVersion 29
-
-    defaultConfig {
-        minSdkVersion 20
-        testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
-    }
-    lintOptions {
-        disable 'InvalidPackage'
-        disable 'GradleDependency'
-    }
-
-    dependencies {
-        implementation "androidx.annotation:annotation:1.1.0"
-        implementation 'com.google.android.gms:play-services-maps:17.0.0'
-        androidTestImplementation 'androidx.test:runner:1.2.0'
-        androidTestImplementation 'androidx.test:rules:1.2.0'
-        androidTestImplementation 'androidx.test.espresso:espresso-core:3.2.0'
-        testImplementation 'junit:junit:4.12'
-        testImplementation 'org.mockito:mockito-core:3.2.4'
-        testImplementation 'androidx.test:core:1.2.0'
-        testImplementation "org.robolectric:robolectric:4.3.1"
-    }
-
-    compileOptions {
-        sourceCompatibility JavaVersion.VERSION_1_8
-        targetCompatibility JavaVersion.VERSION_1_8
-    }
-
-    testOptions {
-        unitTests.includeAndroidResources = true
-        unitTests.returnDefaultValues = true
-        unitTests.all {
-            testLogging {
-               events "passed", "skipped", "failed", "standardOut", "standardError"
-               outputs.upToDateWhen {false}
-               showStandardStreams = true
-            }
-        }
-    }
-}

test/google_track_trace_test.dart

@@ -1,8 +0,0 @@
-import 'package:flutter_test/flutter_test.dart';
-
-
-void main() {
-  test('adds one to input values', () {
-
-  });
-}