Rebalances Yautja bracer power (#4154)

# About the pull request
The bracer power supply has been rebalanced, reducing the cost of
creating crystals and health capsules due to scarcity of recharging, and
the fact thwei is no longer as powerful. The plasma caster has also had
its power costs reduced slightly.
<!-- Remove this text and explain what the purpose of your PR is.

Mention if you have tested your changes. If you changed a map, make sure
you used the mapmerge tool.
If this is an Issue Correction, you can type "Fixes Issue #169420" to
link the PR to the corresponding Issue number #169420.

Remember: something that is self-evident to you might not be to others.
Explain your rationale fully, even if you feel it goes without saying.
-->

# Explain why it's good for the game
Allows Yautja to operate a bit longer before they need to worry about
recharging.
# Testing Photographs and Procedure
<details>
<summary>Screenshots & Videos</summary>

Put screenshots and videos here with an empty line between the
screenshots and the `<details>` tags.

</details>


# Changelog
:cl:
balance: Reduces power cost for plasma caster use, and creation of thwei
crystals/health capsules.
/:cl:

code/modules/cm_preds/yaut_bracers.dm

@@ -836,7 +836,7 @@
 		to_chat(caller, SPAN_WARNING("You recently activated the stabilising crystal. Be patient."))
 		return FALSE
 
-	if(!drain_power(caller, 1000))
+	if(!drain_power(caller, 400))
 		return FALSE
 
 	inject_timer = TRUE
@@ -877,7 +877,7 @@
 		to_chat(usr, SPAN_WARNING("Your bracer is still generating a new healing capsule!"))
 		return FALSE
 
-	if(!drain_power(caller, 800))
+	if(!drain_power(caller, 600))
 		return FALSE
 
 	healing_capsule_timer = TRUE

code/modules/cm_preds/yaut_weapons.dm

@@ -955,12 +955,15 @@
 	if(!HAS_TRAIT(user, TRAIT_YAUTJA_TECH))
 		to_chat(user, SPAN_WARNING("You have no idea how this thing works!"))
 		return
+	if(charge_time < 7)
+		to_chat(user, SPAN_WARNING("The rifle does not have enough power remaining!"))
+		return
 
 	return ..()
 
 /obj/item/weapon/gun/energy/yautja/plasmarifle/load_into_chamber()
 	ammo = GLOB.ammo_list[/datum/ammo/energy/yautja/rifle/bolt]
-	charge_time -= 10
+	charge_time -= 7
 	var/obj/projectile/projectile = create_bullet(ammo, initial(name))
 	projectile.set_light(1)
 	in_chamber = projectile
@@ -975,7 +978,8 @@
 
 /obj/item/weapon/gun/energy/yautja/plasmarifle/delete_bullet(obj/projectile/projectile_to_fire, refund = 0)
 	qdel(projectile_to_fire)
-	if(refund) charge_time *= 2
+	if(refund)
+		charge_time += 7
 	return TRUE
 
 #define FIRE_MODE_STANDARD "Standard"
@@ -1165,15 +1169,15 @@
 			switch(strength)
 				if("low power stun bolts")
 					strength = "high power stun bolts"
-					charge_cost = 100
-					set_fire_delay(FIRE_DELAY_TIER_6 * 3)
+					charge_cost = 50
+					set_fire_delay(FIRE_DELAY_TIER_1)
 					fire_sound = 'sound/weapons/pred_lasercannon.ogg'
 					to_chat(user, SPAN_NOTICE("[src] will now fire [strength]."))
 					ammo = GLOB.ammo_list[/datum/ammo/energy/yautja/caster/bolt/stun]
 				if("high power stun bolts")
 					strength = "plasma immobilizers"
-					charge_cost = 300
-					set_fire_delay(FIRE_DELAY_TIER_6 * 20)
+					charge_cost = 200
+					set_fire_delay(FIRE_DELAY_TIER_2 * 8)
 					fire_sound = 'sound/weapons/pulse.ogg'
 					to_chat(user, SPAN_NOTICE("[src] will now fire [strength]."))
 					ammo = GLOB.ammo_list[/datum/ammo/energy/yautja/caster/sphere/stun]
@@ -1188,8 +1192,8 @@
 			switch(strength)
 				if("plasma bolts")
 					strength = "plasma spheres"
-					charge_cost = 1200
-					set_fire_delay(FIRE_DELAY_TIER_6 * 20)
+					charge_cost = 1000
+					set_fire_delay(FIRE_DELAY_TIER_2 * 12)
 					fire_sound = 'sound/weapons/pulse.ogg'
 					to_chat(user, SPAN_NOTICE("[src] will now fire [strength]."))
 					ammo = GLOB.ammo_list[/datum/ammo/energy/yautja/caster/sphere]

code/modules/projectiles/ammo_datums.dm

@@ -2464,9 +2464,6 @@
 		else
 			M.apply_effect(stun_time, WEAKEN)
 
-
-
-
 /datum/ammo/energy/yautja/rifle/bolt
 	name = "plasma rifle bolt"
 	icon_state = "ion"