Make AdminLogsSystem an IoC manager (#8492)

* Make log not entity system

* Fixes

Content.Shared/Administration/Logs/SharedAdminLogManager.cs

@@ -0,0 +1,17 @@
+using Content.Shared.Database;
+
+namespace Content.Shared.Administration.Logs;
+
+[Virtual]
+public class SharedAdminLogManager : ISharedAdminLogManager
+{
+    public virtual void Add(LogType type, LogImpact impact, ref LogStringHandler handler)
+    {
+        // noop
+    }
+
+    public virtual void Add(LogType type, ref LogStringHandler handler)
+    {
+        // noop
+    }
+}