Remove silly battery recipe

Why was this still here...

data/json/recipes/recipe_electronics.json

@@ -450,41 +450,6 @@
    [ [ "element", 1 ] ],
    [ [ "scrap", 2 ] ]
  ]
},{
  "type" : "recipe",
  "result": "battery",
  "category": "CC_ELECTRONIC",
  "subcategory": "CSC_ELECTRONIC_COMPONENTS",
  "skill_used": "fabrication",
  "skills_required": [ "electronics", 1 ],
  "difficulty": 2,
  "time": 5000,
  "book_learn": [[ "manual_electronics", 1 ] , [ "mag_electronics", 1 ] , [ "textbook_anarch", 2 ]],
  "qualities" : [ {"id":"SCREW","level":1} ],
  "components": [
    [
      [ "lemon", 1 ],
      [ "irradiated_lemon", 1 ],
      [ "orange", 1 ],
      [ "irradiated_orange", 1 ],
      [ "grapefruit", 1 ],
      [ "irradiated_grapefruit", 1 ],
      [ "acid", 1 ],
      [ "vinegar", 2 ]
    ],
    [
      [ "steel_chunk", 1 ],
      [ "knife_butter", 1 ],
      [ "knife_steak", 1 ],
      [ "bolt_steel", 1 ],
      [ "scrap", 1 ]
    ],
    [
      [ "can_drink_unsealed", 1 ],
      [ "can_food_unsealed", 1 ],
      [ "canister_empty", 1 ]
    ]
  ]
},{
  "type" : "recipe",
  "result": "noise_emitter",