Remove unused random death options from campaign settings

Removed labels and tooltips related to random clan and prisoner deaths as well as the random death percentage option. These settings were likely no longer used or relevant, streamlining the campaign options. This enhances clarity and reduces unnecessary complexity in the UI.

Author: IllianiBird

MekHQ/resources/mekhq/resources/CampaignOptionsDialog.properties

@@ -803,18 +803,8 @@ lblDeathTab.text=Death Options \u270E
 lblRandomDeathMethod.text=Use Random Death
 lblRandomDeathMethod.tooltip=Should characters randomly die? This system follows a realistic death\
   \ curve based on real world data.
-lblUseRandomClanPersonnelDeath.text=Enable Random Clan Death
-lblUseRandomClanPersonnelDeath.tooltip=Allow clan-origin personnel to randomly die.
-lblUseRandomPrisonerDeath.text=Enable Random Prisoner Death
-lblUseRandomPrisonerDeath.tooltip=Allow prisoners to randomly die. Bondsmen are treated as free\
-  \ personnel when it comes to this option, and are thus not affected by it.
 lblUseRandomDeathSuicideCause.text=Enable Cause of Death: Suicide
 lblUseRandomDeathSuicideCause.tooltip=This includes suicide as a potential cause for a random death.
-lblPercentageRandomDeathChance.text=Random Death Percentage \u26A0
-lblPercentageRandomDeathChance.tooltip=This is the percent chance per day that any member of your\
-  \ force will randomly die.\
-  <br>\
-  <br><b>Requirement:</b> This option is only relevant if 'Percentage' random death is selected.
 
 # createDeathAgeGroupsPanel
 lblDeathAgeGroupsPanel.text=Death by Age Group