[OE-core] [PATCH] image.bbclass: Drop legacy export of IMAGE_BASENAME

[Richard Purdie]

We used to export this in the days an external script handled the image
generation. This is no longer the case and hence we no longer need this
export.

Signed-off-by: Richard Purdie <richard.purdie at linuxfoundation.org>
---
diff --git a/meta/classes/image.bbclass b/meta/classes/image.bbclass
index 9345bf8..b718805 100644
--- a/meta/classes/image.bbclass
+++ b/meta/classes/image.bbclass
@@ -63,10 +63,8 @@ IMAGE_INSTALL_COMPLEMENTARY = '${@complementary_globs("IMAGE_FEATURES", d)}'
 SDKIMAGE_FEATURES ??= "dev-pkgs dbg-pkgs"
 SDKIMAGE_INSTALL_COMPLEMENTARY = '${@complementary_globs("SDKIMAGE_FEATURES", d)}'
 
-# "export IMAGE_BASENAME" not supported at this time
 IMAGE_INSTALL ?= ""
 IMAGE_INSTALL[type] = "list"
-IMAGE_BASENAME[export] = "1"
 export PACKAGE_INSTALL ?= "${IMAGE_INSTALL} ${ROOTFS_BOOTSTRAP_INSTALL} ${FEATURE_INSTALL}"
 PACKAGE_INSTALL_ATTEMPTONLY ?= "${FEATURE_INSTALL_OPTIONAL}"