Reduced Warning Count By 130 For Full Rebuilds (#26518)

* remove deprecated entity coordinate extension functions. Reduces warning count by approximately 50

* final toCoords Removed

* Remove all unused variables and dead code paths

* remove always true variable, should be a cvar or something instead

* remove superfluous variables from tests

Content.Server/Power/Generator/PortableGeneratorSystem.cs

@@ -1,5 +1,4 @@
 using Content.Server.DoAfter;
-using Content.Server.NodeContainer.NodeGroups;
 using Content.Server.Popups;
 using Content.Server.Power.Components;
 using Content.Server.Power.EntitySystems;
@@ -28,7 +27,6 @@ public sealed class PortableGeneratorSystem : SharedPortableGeneratorSystem
     [Dependency] private readonly GeneratorSystem _generator = default!;
     [Dependency] private readonly PowerSwitchableSystem _switchable = default!;
     [Dependency] private readonly ActiveGeneratorRevvingSystem _revving = default!;
-    [Dependency] private readonly PowerNetSystem _powerNet = default!;
 
     public override void Initialize()
     {