Converts a bunch of time/delay vars to use time defines (#92495)

## About The Pull Request

Converts as many time vars expressed in deciseconds as I could find to
use time defines.

## Why It's Good For The Game

Makes these values neater and more readable.

## Changelog
🆑
code: Converted a lot of time-based variables to be expressed with time
defines.
/🆑

code/modules/mining/equipment/explorer_gear.dm

@@ -205,7 +205,7 @@
 	desc = "An intimidating tribal helmet, it doesn't look very comfortable."
 	icon_state = "skull"
 	inhand_icon_state = null
-	strip_delay = 100
+	strip_delay = 10 SECONDS
 	flags_inv = HIDEMASK|HIDEEARS|HIDEEYES|HIDEFACE|HIDESNOUT
 	flags_cover = HEADCOVERSEYES
 	cold_protection = HEAD

code/modules/mining/lavaland/ash_flora.dm

@@ -377,7 +377,7 @@
 	name = "Mushroom Bowl"
 	result = /obj/item/reagent_containers/cup/bowl/mushroom_bowl
 	reqs = list(/obj/item/food/grown/ash_flora/shavings = 5)
-	time = 30
+	time = 3 SECONDS
 	category = CAT_CONTAINERS
 
 /obj/item/reagent_containers/cup/bowl/mushroom_bowl

code/modules/mining/lavaland/mining_loot/clothing.dm

@@ -95,8 +95,8 @@
 	icon_state = "concussive_gauntlets"
 	inhand_icon_state = null
 	toolspeed = 0.1
-	strip_delay = 40
-	equip_delay_other = 20
+	strip_delay = 4 SECONDS
+	equip_delay_other = 2 SECONDS
 	cold_protection = HANDS
 	min_cold_protection_temperature = GLOVES_MIN_TEMP_PROTECT
 	heat_protection = HANDS