Updated icons in use.

app/build.gradle

@@ -185,18 +185,3 @@ if (!getGradle().getStartParameter().getTaskRequests()
   .toString().contains("Fdroid")){
     apply plugin: 'com.google.gms.google-services'
 }
-
-
-/**
- * The following code is used to add the OONI Run V2 icons to the project.
- * This is a workaround to avoid having to manually copy the icons to the
- * project. The script is run before the preBuild task, which means that
- * the icons will be copied before the build starts.
- */
-task addOONIRunV2Icons(type: Exec) {
-    commandLine 'sh', 'mkdir' , '-p' , rootProject.buildDir
-    commandLine 'sh', "../scripts/prepare_icons.sh", "${rootProject.buildDir}" , "${rootProject.projectDir}/app/src/main/res/drawable"
-}
-
-// Make preBuild depend on addOONIRunV2Icons
-preBuild.dependsOn addOONIRunV2Icons