patch 9.1.1001: ComplMatchIns highlight hard to read on light background

Problem:  ComplMatchIns highlight hard to read on light background
          (after v9.1.0996)
Solution: define the highlighting group cleared, it should be configured in
          colorschemes separately (glepnir)

closes: #16414

Signed-off-by: glepnir <glephunter@gmail.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>
diff --git a/src/highlight.c b/src/highlight.c
index f38abd8..1a4c76d 100644
--- a/src/highlight.c
+++ b/src/highlight.c
@@ -262,8 +262,6 @@
     "default link PmenuMatchSel PmenuSel",
     "default link PmenuExtra Pmenu",
     "default link PmenuExtraSel PmenuSel",
-    CENT("ComplMatchIns ctermfg=DarkGrey cterm=NONE",
-	 "ComplMatchIns guifg=DarkGrey gui=NONE"),
     CENT("Normal cterm=NONE", "Normal gui=NONE"),
     NULL
 };
diff --git a/src/optiondefs.h b/src/optiondefs.h
index f9b7eae..c7c96de 100644
--- a/src/optiondefs.h
+++ b/src/optiondefs.h
@@ -302,7 +302,7 @@
 # define ISP_LATIN1 (char_u *)"@,161-255"
 #endif
 
-# define HIGHLIGHT_INIT "8:SpecialKey,~:EndOfBuffer,@:NonText,d:Directory,e:ErrorMsg,i:IncSearch,l:Search,y:CurSearch,m:MoreMsg,M:ModeMsg,n:LineNr,a:LineNrAbove,b:LineNrBelow,N:CursorLineNr,G:CursorLineSign,O:CursorLineFold,r:Question,s:StatusLine,S:StatusLineNC,c:VertSplit,t:Title,v:Visual,V:VisualNOS,w:WarningMsg,W:WildMenu,f:Folded,F:FoldColumn,A:DiffAdd,C:DiffChange,D:DiffDelete,T:DiffText,>:SignColumn,-:Conceal,B:SpellBad,P:SpellCap,R:SpellRare,L:SpellLocal,+:Pmenu,=:PmenuSel,k:PmenuMatch,<:PmenuMatchSel,[:PmenuKind,]:PmenuKindSel,{:PmenuExtra,}:PmenuExtraSel,x:PmenuSbar,X:PmenuThumb,*:TabLine,#:TabLineSel,_:TabLineFill,!:CursorColumn,.:CursorLine,o:ColorColumn,q:QuickFixLine,z:StatusLineTerm,Z:StatusLineTermNC,g:MsgArea"
+# define HIGHLIGHT_INIT "8:SpecialKey,~:EndOfBuffer,@:NonText,d:Directory,e:ErrorMsg,i:IncSearch,l:Search,y:CurSearch,m:MoreMsg,M:ModeMsg,n:LineNr,a:LineNrAbove,b:LineNrBelow,N:CursorLineNr,G:CursorLineSign,O:CursorLineFold,r:Question,s:StatusLine,S:StatusLineNC,c:VertSplit,t:Title,v:Visual,V:VisualNOS,w:WarningMsg,W:WildMenu,f:Folded,F:FoldColumn,A:DiffAdd,C:DiffChange,D:DiffDelete,T:DiffText,>:SignColumn,-:Conceal,B:SpellBad,P:SpellCap,R:SpellRare,L:SpellLocal,+:Pmenu,=:PmenuSel,k:PmenuMatch,<:PmenuMatchSel,[:PmenuKind,]:PmenuKindSel,{:PmenuExtra,}:PmenuExtraSel,x:PmenuSbar,X:PmenuThumb,*:TabLine,#:TabLineSel,_:TabLineFill,!:CursorColumn,.:CursorLine,o:ColorColumn,q:QuickFixLine,z:StatusLineTerm,Z:StatusLineTermNC,g:MsgArea,h:ComplMatchIns"
 
 // Default python version for pyx* commands
 #if defined(FEAT_PYTHON) && defined(FEAT_PYTHON3)
diff --git a/src/version.c b/src/version.c
index baebd2b..7712872 100644
--- a/src/version.c
+++ b/src/version.c
@@ -705,6 +705,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1001,
+/**/
     1000,
 /**/
     999,