update vim-anzu and vim-cool settings

We shouldn't set them as opt, otherwise *, and n , N etc. do not work in
normal mode, unless we activate them on CmdlineEnter events.

lua/plugins.lua

@@ -58,13 +58,13 @@ require('packer').startup(
     use 'justinmk/vim-sneak'
 
     -- Clear highlight search automatically for you
-    use {'romainl/vim-cool', event = 'CmdlineEnter'}
+    use 'romainl/vim-cool'
 
     -- Show current search term in different color
     use 'PeterRincker/vim-searchlight'
 
     -- Show match number for incsearch
-    use {'osyo-manga/vim-anzu', event = 'CmdlineEnter'}
+    use 'osyo-manga/vim-anzu'
 
     -- Stay after pressing * and search selected text
     use 'haya14busa/vim-asterisk'