remove table_tostring (#1036)

lua/nvim-tree/utils.lua

@@ -245,40 +245,4 @@ function M.table_create_missing(tbl, sub)
   return t
 end
 
--- Serialise a table as a string
--- @param val table to serialise
--- @param name optional
--- @param skipnewlines optional
--- @param spaces to indent, for internal use
-function M.table_tostring(val, name, skipnewlines, depth)
-  skipnewlines = skipnewlines or false
-  depth = depth or 0
-
-  local tmp = string.rep(" ", depth)
-
-  if name then
-    tmp = tmp .. name .. " = "
-  end
-
-  if type(val) == "table" then
-    tmp = tmp .. "{" .. (not skipnewlines and "\n" or "")
-
-    for k, v in pairs(val) do
-      tmp =  tmp .. M.table_tostring(v, k, skipnewlines, depth + 1) .. "," .. (not skipnewlines and "\n" or "")
-    end
-
-    tmp = tmp .. string.rep(" ", depth) .. "}"
-  elseif type(val) == "number" then
-    tmp = tmp .. tostring(val)
-  elseif type(val) == "string" then
-    tmp = tmp .. string.format("%q", val)
-  elseif type(val) == "boolean" then
-    tmp = tmp .. tostring(val)
-  else
-    tmp = tmp .. "\"[" .. type(val) .. "]\""
-  end
-
-  return tmp
-end
-
 return M