Lualine: dropped breadcrumb winbar, was not in use at all

- research turned up no usable plugin or method to display stuff I
  really want or need to know.

lua/config/lualine.lua

@@ -1,32 +1,4 @@
-      -- an alternative might be:
+require("lualine").setup {
-      -- https://github.com/nvim-treesitter/nvim-treesitter-context
-      local function breadcrumb()
-        local result = require 'nvim-treesitter'.statusline(
-          {
-            type_patterns = {
-              "class",
-              "impl",
-              "function",
-              "method",
-              "import",
-              "for",
-              "if",
-              "while",
-              "variable",
-              "comment",
-            },
-            separator = " ▶ "
-          }
-        )
-        if result == "" then
-          result = ' '
-        elseif result == nil then
-          result = ''
-        end
-        return result
-      end
-
-      require("lualine").setup {
   options = {
     icons_enabled = false,
     theme = 'papercolor_light',
@@ -63,22 +35,7 @@
     lualine_z = { 'location' }
   },
   tabline = {},
-        winbar = {
+  winbar = {}, -- formerly breadcrumb here
-          lualine_a = {
+  inactive_winbar = {},
-            {
-              breadcrumb,
-              color = { bg = '#2a2a2a', fg = '#cfcfcf' },
-            },
-          },
-        },
-        inactive_winbar = {
-          lualine_a = {
-            {
-              breadcrumb,
-              color = { bg = '#101010', fg = '#999999' },
-              draw_empty = true
-            }
-          },
-        },
   extensions = {}
-      }
+}