Remove playtime requirements (part 2) (Simple-Station#100)

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# Description

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Remove the playtime requirement from Mantis, Prisoner, Gladiator, and
Prison Guard, as these were missed on the original pass through the
codebase.

Revert along with Simple-Station#58 when re-adding playtime upon full release. 

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# TODO

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- [ ] Task
- [x] Completed Task

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# Changelog

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Resources/Prototypes/Nyanotrasen/Roles/Jobs/Epistemics/forensicmantis.yml

@@ -4,11 +4,11 @@
   description: job-description-mantis
   playTimeTracker: JobForensicMantis
   requirements:
-    - !type:CharacterOverallTimeRequirement
-      min: 18000
-    - !type:DepartmentTimeRequirement
-      department: Epistemics # DeltaV - Epistemics Department replacing Science
-      min: 3600
+  #  - !type:CharacterOverallTimeRequirement
+  #    min: 18000
+  #  - !type:DepartmentTimeRequirement
+  #    department: Epistemics # DeltaV - Epistemics Department replacing Science
+  #    min: 3600
     - !type:CharacterLogicOrRequirement
       requirements:
         - !type:CharacterSpeciesRequirement

Resources/Prototypes/Nyanotrasen/Roles/Jobs/Security/prisonguard.yml

@@ -3,12 +3,12 @@
   name: job-name-guard
   description: job-description-guard
   playTimeTracker: JobPrisonGuard
-  requirements:
-    - !type:CharacterOverallTimeRequirement
-      min: 18000
-    - !type:DepartmentTimeRequirement
-      department: Security
-      min: 14400
+  #requirements:
+  #  - !type:CharacterOverallTimeRequirement
+  #    min: 18000
+  #  - !type:DepartmentTimeRequirement
+  #    department: Security
+  #    min: 14400
   startingGear: PrisonGuardGear
   alwaysUseSpawner: true
   canBeAntag: false

Resources/Prototypes/Nyanotrasen/Roles/Jobs/Wildcards/gladiator.yml

@@ -10,10 +10,10 @@
   supervisors: job-supervisors-security
   setPreference: true
 #  whitelistRequired: true
-  requirements:
-    - !type:DepartmentTimeRequirement
-      department: Security
-      min: 21600
+#  requirements:
+#    - !type:DepartmentTimeRequirement
+#      department: Security
+#      min: 21600
   special:
   - !type:AddComponentSpecial
     components:

Resources/Prototypes/Nyanotrasen/Roles/Jobs/Wildcards/prisoner.yml

@@ -9,10 +9,10 @@
 #  whitelistRequired: true
   icon: "JobIconPrisoner"
   supervisors: job-supervisors-security
-  requirements:
-    - !type:DepartmentTimeRequirement
-      department: Security
-      min: 21600
+#  requirements:
+#    - !type:DepartmentTimeRequirement
+#      department: Security
+#      min: 21600
 
 - type: startingGear
   id: PrisonerGear