refactor: remove unused android target

The android build target is no longer used in context of this project.

Change-Id: I9fce202460aba136b52802ae576a5f9bf7530ee4
Signed-off-by: Olivier Deprez <olivier.deprez@arm.com>
diff --git a/BUILD.gn b/BUILD.gn
index d79a0b7..9fdd717 100644
--- a/BUILD.gn
+++ b/BUILD.gn
@@ -11,7 +11,6 @@
   deps = [
     "//src:hafnium(:aem_v8a_fvp_clang)",
     "//src:hafnium(:aem_v8a_fvp_vhe_clang)",
-    "//src:hafnium(:android_aarch64_clang)",
     "//src:hafnium(:qemu_aarch64_clang)",
     "//src:hafnium(:qemu_aarch64_vhe_clang)",
     "//src:hafnium(:rpi4_clang)",
@@ -210,24 +209,6 @@
   }
 }
 
-# Generic target which uses the Android boot flow. It is not intended to run on
-# any Android platform. It exists only to test building Android-specific code.
-aarch64_toolchains("android_aarch64") {
-  cpu = "cortex-a57"
-  origin_address = "0x0"
-  boot_flow = "//src/boot_flow:android"
-  console = "//src/arch/aarch64/pl011"
-  iommu = "//src/iommu:absent"
-  gic_version = 2
-  heap_pages = 60
-  max_cpus = 8
-  max_vms = 16
-  toolchain_args = {
-    pl011_base_address = "0x09000000"
-    plat_ffa = "//src/arch/aarch64/plat/ffa:hypervisor"
-  }
-}
-
 # The Total Compute platform provides an envelope for all of Arm's latest IP.
 # TC0 and TC1 are reference open source software stack for the
 # Total Compute Fixed Virtual Platform (FVP). More info at:
diff --git a/android_aarch64/BUILD.gn b/android_aarch64/BUILD.gn
deleted file mode 100644
index 1983fe3..0000000
--- a/android_aarch64/BUILD.gn
+++ /dev/null
@@ -1,8 +0,0 @@
-# Copyright 2020 The Hafnium Authors.
-#
-# Use of this source code is governed by a BSD-style
-# license that can be found in the LICENSE file or at
-# https://opensource.org/licenses/BSD-3-Clause.
-
-source_set("android_aarch64") {
-}