Remove dots from poster entities id (#6761)

Resources/Maps/bagel.yml

@@ -47181,7 +47181,7 @@ entities:
     parent: 41
     type: Transform
 - uid: 2342
-  type: PosterContrabandDonutCorp.
+  type: PosterContrabandDonutCorp
   components:
   - pos: -33.5,-1.5
     parent: 41
@@ -80990,7 +80990,7 @@ entities:
         ents: []
     type: ContainerContainer
 - uid: 6150
-  type: PosterContrabandEAT.
+  type: PosterContrabandEAT
   components:
   - pos: -8.5,-39.5
     parent: 41

Resources/Maps/packedstation.yml

@@ -115650,7 +115650,7 @@ entities:
         ents: []
     type: ContainerContainer
 - uid: 11087
-  type: PosterContrabandEAT.
+  type: PosterContrabandEAT
   components:
   - pos: 29.5,-8.5
     parent: 14

Resources/Prototypes/Entities/Markers/Spawners/Random/posters.yml

@@ -41,8 +41,8 @@
       - PosterContrabandHackingGuide
       - PosterContrabandRIPBadger
       - PosterContrabandAmbrosiaVulgaris
-      - PosterContrabandDonutCorp.
+      - PosterContrabandDonutCorp
-      - PosterContrabandEAT.
+      - PosterContrabandEAT
       - PosterContrabandTools
       - PosterContrabandPower
       - PosterContrabandSpaceCube

Resources/Prototypes/Entities/Structures/Wallmounts/Signs/posters.yml

@@ -159,7 +159,7 @@
 
 - type: entity
   parent: PosterBase
-  id: PosterContrabandDonutCorp.
+  id: PosterContrabandDonutCorp
   name: "Donut Corp."
   description: "This poster is an unauthorized advertisement for Donut Corp."
   components:
@@ -168,7 +168,7 @@
 
 - type: entity
   parent: PosterBase
-  id: PosterContrabandEAT.
+  id: PosterContrabandEAT
   name: "EAT."
   description: "This poster promotes rank gluttony."
   components: