remove oe-init-build-memres

This script doesn't exist in poky anymore.  Remove the symlink to it.
Reference oe-core commit a17724d687f9c04dc21f2f369da2b492f7119ba0.

Change-Id: Iae17fa2f430590eb2290b94725ecb3f104adbebc
Signed-off-by: Brad Bishop <bradleyb@fuzziesquirrel.com>
diff --git a/oe-init-build-env-memres b/oe-init-build-env-memres
deleted file mode 120000
index 70cec85..0000000
--- a/oe-init-build-env-memres
+++ /dev/null
@@ -1 +0,0 @@
-import-layers/yocto-poky/oe-init-build-env-memres
\ No newline at end of file