Remove AppContext EventSource support on browser

src/libraries/System.Private.CoreLib/src/System/AppContext.AnyOS.cs

@@ -30,5 +30,34 @@ private static string GetBaseDirectoryCore()
 
             return directory;
         }
+
+        internal static void LogSwitchValues(RuntimeEventSource ev)
+        {
+            if (s_switches is not null)
+            {
+                lock (s_switches)
+                {
+                    foreach (var (k, v) in s_switches)
+                    {
+                        // Convert bool to int because it's cheaper to log (no boxing)
+                        ev.LogAppContextSwitch(k, v ? 0 : 1);
+                    }
+                }
+            }
+
+            if (s_dataStore is not null)
+            {
+                lock (s_dataStore)
+                {
+                    foreach (var (k, v) in s_dataStore)
+                    {
+                        if (v is string s && bool.TryParse(s, out bool isEnabled))
+                        {
+                            ev.LogAppContextSwitch(k, isEnabled ? 0 : 1);
+                        }
+                    }
+                }
+            }
+        }
     }
 }

src/libraries/System.Private.CoreLib/src/System/AppContext.cs

@@ -135,35 +135,6 @@ public static void SetSwitch(string switchName, bool isEnabled)
             }
         }
 
-        internal static void LogSwitchValues(RuntimeEventSource ev)
-        {
-            if (s_switches is not null)
-            {
-                lock (s_switches)
-                {
-                    foreach (var (k, v) in s_switches)
-                    {
-                        // Convert bool to int because it's cheaper to log (no boxing)
-                        ev.LogAppContextSwitch(k, v ? 0 : 1);
-                    }
-                }
-            }
-
-            if (s_dataStore is not null)
-            {
-                lock (s_dataStore)
-                {
-                    foreach (var (k, v) in s_dataStore)
-                    {
-                        if (v is string s && bool.TryParse(s, out bool isEnabled))
-                        {
-                            ev.LogAppContextSwitch(k, isEnabled ? 0 : 1);
-                        }
-                    }
-                }
-            }
-        }
-
 #if !CORERT
         internal static unsafe void Setup(char** pNames, char** pValues, int count)
         {