ActivityCards template: Remove app icons from template

This conflicts with output from "create" template, preventing samples
from building.

Change-Id: Ic13f94118a2086e3da50a56994b49598384512a0
diff --git a/templates/ActivityCards/_MODULE_/src/template/res/drawable-hdpi/ic_launcher.png b/templates/ActivityCards/_MODULE_/src/template/res/drawable-hdpi/ic_launcher.png
deleted file mode 100644
index b1efaf4..0000000
--- a/templates/ActivityCards/_MODULE_/src/template/res/drawable-hdpi/ic_launcher.png
+++ /dev/null
Binary files differ
diff --git a/templates/ActivityCards/_MODULE_/src/template/res/drawable-mdpi/ic_launcher.png b/templates/ActivityCards/_MODULE_/src/template/res/drawable-mdpi/ic_launcher.png
deleted file mode 100644
index f5f9244..0000000
--- a/templates/ActivityCards/_MODULE_/src/template/res/drawable-mdpi/ic_launcher.png
+++ /dev/null
Binary files differ
diff --git a/templates/ActivityCards/_MODULE_/src/template/res/drawable-xhdpi/ic_launcher.png b/templates/ActivityCards/_MODULE_/src/template/res/drawable-xhdpi/ic_launcher.png
deleted file mode 100644
index 5d07b3f..0000000
--- a/templates/ActivityCards/_MODULE_/src/template/res/drawable-xhdpi/ic_launcher.png
+++ /dev/null
Binary files differ
diff --git a/templates/ActivityCards/_MODULE_/src/template/res/drawable-xxhdpi/ic_launcher.png b/templates/ActivityCards/_MODULE_/src/template/res/drawable-xxhdpi/ic_launcher.png
deleted file mode 100644
index 6ef21e1..0000000
--- a/templates/ActivityCards/_MODULE_/src/template/res/drawable-xxhdpi/ic_launcher.png
+++ /dev/null
Binary files differ