aspeed: Remove SOC specific layers

They are unused and no longer have any content.  Remove.

Change-Id: I300f71ade8de4a9f3dc306743b16f951dc962cfd
Tested: No functional impact
Signed-off-by: Brad Bishop <bradleyb@fuzziesquirrel.com>
diff --git a/meta-ast2400/conf/layer.conf b/meta-ast2400/conf/layer.conf
deleted file mode 100644
index 5757afe..0000000
--- a/meta-ast2400/conf/layer.conf
+++ /dev/null
@@ -1,6 +0,0 @@
-# We have a conf and classes directory, add to BBPATH
-BBPATH .= ":${LAYERDIR}"
-
-BBFILE_PATTERN_ast2400-layer = ""
-BBFILE_COLLECTIONS += "ast2400-layer"
-LAYERVERSION_ast2400-layer = "1"
diff --git a/meta-ast2400/recipes.txt b/meta-ast2400/recipes.txt
deleted file mode 100644
index 149509f..0000000
--- a/meta-ast2400/recipes.txt
+++ /dev/null
@@ -1,2 +0,0 @@
-recipes-bsp          - Anything with links to specific hardware or hardware configuration information
-recipes-kernel       - The kernel and generic applications/libraries with strong kernel dependencies
diff --git a/meta-ast2500/conf/layer.conf b/meta-ast2500/conf/layer.conf
deleted file mode 100644
index c18b2cf..0000000
--- a/meta-ast2500/conf/layer.conf
+++ /dev/null
@@ -1,6 +0,0 @@
-# We have a conf and classes directory, add to BBPATH
-BBPATH .= ":${LAYERDIR}"
-
-BBFILE_PATTERN_ast2500-layer = ""
-BBFILE_COLLECTIONS += "ast2500-layer"
-LAYERVERSION_ast2500-layer = "1"
diff --git a/meta-ast2500/recipes.txt b/meta-ast2500/recipes.txt
deleted file mode 100644
index 149509f..0000000
--- a/meta-ast2500/recipes.txt
+++ /dev/null
@@ -1,2 +0,0 @@
-recipes-bsp          - Anything with links to specific hardware or hardware configuration information
-recipes-kernel       - The kernel and generic applications/libraries with strong kernel dependencies