meta-isg: removing meta-isg layer

All meta-isg layer content is already merged/consolidated to
meta-intel/common layer. So removing this layer.

Signed-off-by: Rahul Kumar Gupta <rahul.kumarxx.gupta@intel.com>
Signed-off-by: Saul Wold <sgw@linux.intel.com>

meta-isg/MAINTAINERS

@@ -1,44 +0,0 @@
-This file contains a list of BSP maintainers for the BSPs contained in
-the meta-intel/meta-isg repository.
-
-Please submit any patches against meta-intel/meta-isg BSPs to the
-maintainer of the BSP in question and to the meta-intel mailing list
-(meta-intel@yoctoproject.org).  Also, if your patches are available
-via a public git repository, please also include a URL to the repo and
-branch containing your patches as that makes it easier for maintainers
-to grab and test your patches.
-
-If you have problems with or questions about a particular BSP, feel
-free to contact the maintainer directly (cc:ing the meta-intel mailing
-list puts it in the archive and helps other people who might have the
-same questions in the future), but please try to do the following
-first:
-
-  - look in the Yocto Project Bugzilla
-    (http://bugzilla.yoctoproject.org/) to see if a problem has
-    already been reported
-
-  - look through recent entries of the meta-intel
-    (https://lists.yoctoproject.org/pipermail/meta-intel/) and Yocto
-    (https://lists.yoctoproject.org/pipermail/yocto/) mailing list
-    archives to see if other people have run into similar problems or
-    had similar questions answered.
-
-Descriptions of section entries:
-
-	M: Mail patches to: FullName <address@domain>
-	F: Files and directories with wildcard patterns.
-	   A trailing slash includes all files and subdirectory files.
-	   F:	meta-mohonpeak/    all files in and below meta-mohonpeak
-	   F:	meta-mohonpeak/*   all files in meta-mohonpeak, but not below
-	   One pattern per line.  Multiple F: lines acceptable.
-
-Please keep this list in alphabetical order.
-
-Maintainers List (try to look for most precise areas first)
-
-		-----------------------------------
-MOHONPEAK
-M:	Ong Boon Leong <boon.leong.ong@intel.com>
-F:	meta-mohonpeak/
-

meta-isg/README

@@ -1,7 +0,0 @@
-meta-intel/meta-isg
-===================
-
-This is the location for Intel ISG-maintained BSPs.
-
-Please see the README files contained in the individual BSP layers for
-BSP-specific information.

meta-isg/conf/layer.conf

@@ -1,12 +0,0 @@
-# We have a conf and classes directory, add to BBPATH
-BBPATH .= ":${LAYERDIR}"
-
-# We have recipes-* directories, add to BBFILES
-BBFILES += "${LAYERDIR}/common/recipes-*/*/*.bb \
-            ${LAYERDIR}/common/recipes-*/*/*.bbappend"
-
-BBFILE_COLLECTIONS += "isg"
-BBFILE_PATTERN_isg := "^${LAYERDIR}/common/"
-BBFILE_PRIORITY_isg = "5"
-
-LAYERDEPENDS_isg = "intel"