[openwrt/openwrt] toolchain/binutils: completely remove 2.28 support

[LEDE Commits]

dedeckeh pushed a commit to openwrt/openwrt.git, branch master:
https://git.lede-project.org/ddb70e72988a8ffa2df34b65af47431ed4d2b507

commit ddb70e72988a8ffa2df34b65af47431ed4d2b507
Author: Hans Dedecker <dedeckeh at gmail.com>
AuthorDate: Thu Apr 26 10:33:31 2018 +0200

    toolchain/binutils: completely remove 2.28 support
    
    Commit 15e963915963cda515311531b182b9e0c52f35a0 removed support for
    binutils version 2.28 but did not remove it as selectable item
    from Binutils Version; let's remove this leftover as well.
    
    Signed-off-by: Hans Dedecker <dedeckeh at gmail.com>
---
 toolchain/binutils/Config.in | 5 -----
 1 file changed, 5 deletions(-)

diff --git a/toolchain/binutils/Config.in b/toolchain/binutils/Config.in
index df80684..2922dae 100644
--- a/toolchain/binutils/Config.in
+++ b/toolchain/binutils/Config.in
@@ -12,11 +12,6 @@ choice
 		bool "Binutils 2.27"
 		select BINUTILS_VERSION_2_27
 
-	config BINUTILS_USE_VERSION_2_28
-		depends on !arc
-		bool "Binutils 2.28"
-		select BINUTILS_VERSION_2_28
-
 	config BINUTILS_USE_VERSION_2_29_ARC
 		depends on arc
 		bool "ARC binutils 2.29"