Reduces the M1911 Magazine size to it's lore accurate amount (#3809)

# About the pull request

This PR changes the M1911s magazine size from 14 to 7

# Explain why it's good for the game

https://i.imgur.com/JiT6fOY.png


# 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: SpartanBobby
balance: reduces the M1911 magazine size from 14 to 7
/:cl:

code/modules/projectiles/ammo_datums.dm

@@ -383,7 +383,7 @@
 	accuracy = -HIT_ACCURACY_TIER_3
 	accuracy_var_low = PROJECTILE_VARIANCE_TIER_6
 	damage = 55
-	penetration= ARMOR_PENETRATION_TIER_3
+	penetration = ARMOR_PENETRATION_TIER_3
 	shrapnel_chance = SHRAPNEL_CHANCE_TIER_2
 
 /datum/ammo/bullet/pistol/heavy/super //Commander's variant

code/modules/projectiles/magazines/pistols.dm

@@ -55,7 +55,7 @@
 	default_ammo = /datum/ammo/bullet/pistol/heavy
 	caliber = ".45"
 	icon_state = "m4a345"//rename later
-	max_rounds = 14
+	max_rounds = 7
 	gun_type = /obj/item/weapon/gun/pistol/m1911