How about you comment out the correct line?

diff --git a/MapUtils.lua b/MapUtils.lua
index 7accce3..1edecb5 100644
--- a/MapUtils.lua
+++ b/MapUtils.lua
@@ -1,10 +1,8 @@
 local addonName, addon = ...
 local L = addon.L

-local astrolabe = DongleStub("Astrolabe-1.0")
-
---TODO: Package and install this
---local mapdata = LibStub("LibMapData-1.0")
+--local astrolabe = DongleStub("Astrolabe-1.0")
+local mapdata = LibStub("LibMapData-1.0")

 local PI2 = math.pi * 2