fix(neovim): explicitly switch off cursorline and cursor column

It turned out that the sameness of colour choice of the cursorline and
the background was unintentional from the author of the cyberdream
colourscheme.

home/dot_config/nvim/lua/config/options.lua

@@ -10,8 +10,8 @@ local psep = package.config:sub(1, 1) -- Directory path separator on platform
 vim.opt.colorcolumn = "79"
 
 -- Setting horizontal and vertical cursor line
--- vim.o.cursorline = true
--- vim.o.cursorcolumn = true
+vim.o.cursorline = false
+vim.o.cursorcolumn = false
 
 -- Setting ergonomic nerdfont for gui usage, especially for neovim-qt
 vim.opt.guifont = "OpenDyslexicM Nerd Font Mono:h10"