Rewrite chicken handler for a new shittier world where inventory indicies aren't a thing ig

This reverts commit 445602b60d.

stoneblock-3-chicken-breeder/betterbreeder.lua

@@ -1,20 +1,24 @@
 -- See README for usage info
 -- https://git.desu.ltd/salt/mc-scripts/src/branch/master/stoneblock-3-chicken-breeder/README.md
-
--- Breaks and replaces the breeder on top of the turtle
--- This is called after every generation
 function placeBreeder()
   print('Initializing breeder...')
   breeder = peripheral.wrap('top')
-  -- This ensures that we have the new generation chicken in slot 1
+  -- First, we nab the new chicken in slot 1
   turtle.select(1)
   turtle.suckUp()
-  -- Then we select the next slot and bop the breeder
+  -- Then, we destroy the breeder
   turtle.select(2)
   turtle.digUp()
-  -- Why are we discarding slot 2? Because, by design, it MUST be the trash
-  -- chicken from the last generation.
-  breeder.pushItems('bottom', 2)
+  -- We are now in a position where we have:
+  -- 1: Good chicken
+  -- 2: Inferior chicken
+  -- 3: Seeds/second inferior chicken
+  -- 4: Breeder/seeds
+  -- 5: Null/breeder
+  -- In any case, discarding 1 item in slot 2 will eliminate poor genes
+  --turtle.select(2) -- Unnecessary due to previous instr
+  turtle.dropDown(1)
+  -- Now we re set-up the breeder
   selectItem('chickens:breeder')
   turtle.placeUp()
   selectItem('minecraft:wheat_seeds')