fix RangeNumberSelector to actually be inclusive (#36155)

* fix RangeNumberSelector to actually be inclusive

* Convert all random number stuff to randomint and prune unused code

* another heisentest???

* another heisentest after a heisentest. im going to lose it.

Content.Shared/EntityTable/ValueSelector/NumberSelector.cs

@@ -1,6 +1,5 @@
 using Content.Shared.EntityTable.EntitySelectors;
 using JetBrains.Annotations;
-using Robust.Shared.Prototypes;
 
 namespace Content.Shared.EntityTable.ValueSelector;
 
@@ -10,7 +9,5 @@ namespace Content.Shared.EntityTable.ValueSelector;
 [ImplicitDataDefinitionForInheritors, UsedImplicitly(ImplicitUseTargetFlags.WithInheritors)]
 public abstract partial class NumberSelector
 {
-    public abstract float Get(System.Random rand,
-        IEntityManager entMan,
-        IPrototypeManager proto);
+    public abstract int Get(System.Random rand);
 }