[build] Remove many unsupported products

Please use products from //products instead.

Change-Id: I6658e1616264b29e2dbdac440204d5063709a89a
diff --git a/products/default.gni b/products/default.gni
deleted file mode 100644
index 00985d8..0000000
--- a/products/default.gni
+++ /dev/null
@@ -1,11 +0,0 @@
-# Copyright 2018 The Fuchsia Authors. All rights reserved.
-# Use of this source code is governed by a BSD-style license that can be
-# found in the LICENSE file.
-
-# DEPRECATED - Replacement: "fx set <board> --product workstation --monolith bundles/kitchen_sink"
-
-monolith = [ "topaz/packages/default" ]
-
-preinstall = [ "topaz/packages/tools/all" ]
-
-available = [ "topaz/packages/all" ]
diff --git a/products/ermine.gni b/products/ermine.gni
deleted file mode 100644
index 509375c..0000000
--- a/products/ermine.gni
+++ /dev/null
@@ -1,7 +0,0 @@
-# Copyright 2018 The Fuchsia Authors. All rights reserved.
-# Use of this source code is governed by a BSD-style license that can be
-# found in the LICENSE file.
-
-# DEPRECATED - this import path is deprecated, please use //products/workstation.gni.
-
-import("//products/workstation.gni")
diff --git a/products/kitchen_sink.gni b/products/kitchen_sink.gni
deleted file mode 100644
index 0530463..0000000
--- a/products/kitchen_sink.gni
+++ /dev/null
@@ -1,11 +0,0 @@
-# Copyright 2018 The Fuchsia Authors. All rights reserved.
-# Use of this source code is governed by a BSD-style license that can be
-# found in the LICENSE file.
-
-# DEPRECATED - Replacement: "fx set <board> --product workstation --monolith bundles/kitchen_sink"
-
-monolith = [ "topaz/packages/kitchen_sink" ]
-
-preinstall = []
-
-available = []
diff --git a/products/term.gni b/products/term.gni
deleted file mode 100644
index c675a77..0000000
--- a/products/term.gni
+++ /dev/null
@@ -1,11 +0,0 @@
-# Copyright 2018 The Fuchsia Authors. All rights reserved.
-# Use of this source code is governed by a BSD-style license that can be
-# found in the LICENSE file.
-
-# DEPRECATED - Replacement: "fx set <board> --product terminal"
-
-monolith = [ "topaz/packages/products/term" ]
-
-preinstall = []
-
-available = []