fix(nvim): remove hard-coded path

nvimrc

@@ -494,9 +494,7 @@ packadd! formatter.nvim    " https://github.com/mhartington/formatter.nvim.git
 lua <<EOF
 local prettier = function()
   return {
-    -- TODO: figure out how to pass a relative path based on project root to
-    -- formatter.nvim.
-    exe = "/home/rob/dev/clipper/frontend/node_modules/.bin/prettier",
+    exe = "prettier",
     args = {"--stdin-filepath", vim.api.nvim_buf_get_name(0), '--single-quote'},
     stdin = true
   }