home: vim: replace 'fzf' with 'telescope'

I like the fact that it uses built-in buffers to preview files.

It also has more inertia behind it, tighter integrations in the
ecosystem.

home/vim/plugin/settings/fzf.vim

@@ -1,8 +0,0 @@
-" Use a floating window when availble
-if has('nvim-0.4.0') || has("patch-8.2.0191")
-    let g:fzf_layout = { 'window': {
-                \ 'width': 0.9,
-                \ 'height': 0.7,
-                \ 'highlight': 'Comment',
-                \ 'rounded': v:false } }
-endif