Remove sh syntax patch, it is already in upstream

vim-sh-syntax.patch

@@ -1,13 +0,0 @@
-diff --git a/runtime/syntax/sh.vim b/runtime/syntax/sh.vim
-index 13d74db..4f7fafb 100644
---- a/runtime/syntax/sh.vim
-+++ b/runtime/syntax/sh.vim
-@@ -335,7 +335,7 @@ syn match   shEscape	contained	'\%(^\)\@!\%(\\\\\)*\\.'	nextgroup=shComment
- " systems too, however, so the following syntax will flag $(..) as
- " an Error under /bin/sh.  By consensus of vimdev'ers!
- if exists("b:is_kornshell") || exists("b:is_bash") || exists("b:is_posix")
-- syn region shCommandSub matchgroup=shCmdSubRegion start="\$(\ze[^(]\|$"  skip='\\\\\|\\.' end=")"  contains=@shCommandSubList
-+ syn region shCommandSub matchgroup=shCmdSubRegion start="\$(\ze[^(]"  skip='\\\\\|\\.' end=")"  contains=@shCommandSubList
-  syn region shArithmetic matchgroup=shArithRegion  start="\$((" skip='\\\\\|\\.' end="))" contains=@shArithList
-  syn region shArithmetic matchgroup=shArithRegion  start="\$\[" skip='\\\\\|\\.' end="\]" contains=@shArithList
-  syn match  shSkipInitWS contained	"^\s\+"

vim.spec

@@ -90,8 +90,6 @@ Patch3003: vim-python3-tests.patch
 Patch3004: vim-crypto-warning.patch
 # don't ever set mouse (Fedora downstream patch)
 Patch3005: vim-8.0-copy-paste.patch
-# 2169641 - Syntax highlight for sh files broken
-Patch3006: vim-sh-syntax.patch
 
 
 # uses autoconf in spec file
@@ -388,7 +386,6 @@ perl -pi -e "s,bin/nawk,bin/awk,g" runtime/tools/mve.awk
 %patch3003 -p1 -b .python-tests
 %patch3004 -p1 -b .fips-warning
 %patch3005 -p1 -b .copypaste
-%patch3006 -p1 -b .sh-syntax
 
 %build
 cd src