remove `System.Reflection.Metadata.MetadataUpdater.IsSupported: false` in runtime config

This doesn't seem to be needed, and was probably added as part of the early experimenting with self-contained .NET.

docs/release-notes.md

@@ -1,6 +1,10 @@
 ← [README](README.md)
 
 # Release notes
+## Upcoming release
+* For mod authors:
+  * Removed `runtimeconfig.json` setting which impacted hot reload support.
+
 ## 3.14.6
 Released 27 May 2022 for Stardew Valley 1.5.6 or later.
 

src/SMAPI.Installer/assets/runtimeconfig.json

@@ -9,8 +9,9 @@
             }
         ],
         "configProperties": {
-            "System.Runtime.TieredCompilation": false,
-            "System.Reflection.Metadata.MetadataUpdater.IsSupported": false
+            // disable tiered runtime JIT: https://github.com/dotnet/runtime/blob/main/docs/design/features/tiered-compilation.md
+            // This is disabled by the base game, and causes issues with Harmony patches.
+            "System.Runtime.TieredCompilation": false
         }
     }
 }