rename BATTERY_HEAVY

[GuardianDll]

Summary

None

Purpose of change

Someone pointed that BATTERY_HEAVY still uses heavy battery name

Describe the solution

Rename to tool battery

[ampersand55]

Other places mentioning heavy battery:

Cataclysm-DDA/data/json/items/toolmod.json

Lines 92 to 93 in 909383b

	"name": { "str": "heavy battery mod" },
	"description": "A battery compartment mod that allows the use of heavy batteries in tools that otherwise could not.",

Cataclysm-DDA/data/json/items/armor/combat_exoskeleton.json

Line 32 in 909383b

"description": "Compartment for a heavy battery.",

Cataclysm-DDA/data/json/npcs/robofac/robofac_intercom/robofac_intercom_missions.json

Line 771 in 909383b

"dynamic_line": "Lovely. Just a moment; we will transfer the prototype and handling procedures, which includes information of its last recorded location.\"\n\nThe intercom tray thumps several times as objects are placed into it. After about a minute, it slides open, revealing a slender weapon that looks a bit like a radar gun, a heavy battery, a sheaf of papers in a binder, and a UPS. \"The hm12 draws power from a connected UPS. Please remember to bring the specimen back *intact* - battered salvage is of no use to us. To safely perform the task of deactivation, please review the provided documentation, and pay special attention to the procedures detailed in subsections IV and VII."

It's also mentioned in JSON_FLAGS.md.

BATTERY_HEAVY This item is a heavy battery, and can be put in pockets that have heavy battery restriction.