mark TrainerMod as obsolete (replaced by ConsoleCommands)

docs/release-notes.md

@@ -8,6 +8,7 @@
   * Fixed `GraphicsEvents.OnPostRenderEvent` not being raised in some specialised cases.
   * Fixed error when using the reflection API accesses with a property with either `get` and `set` missing.
   * Fixed issue where a mod could change the cursor position reported to other mods.
+  * Updated compatibility list.
   * Improved cryptic libgdiplus errors on Mac when Mono isn't installed.
 
 * For the [log parser][]:

src/SMAPI/StardewModdingAPI.config.json

@@ -1890,6 +1890,16 @@ This file contains advanced configuration for SMAPI. You generally shouldn't cha
       "ID": "BlueMod_TractorMod | PhthaloBlue.TractorMod | community.TractorMod | Pathoschild.TractorMod", // changed in 3.2, 4.0 beta, and 4.0
       "UpdateKeys": [ "Nexus:1401" ]
     },
+    {
+      // TrainerMod
+      "ID": "SMAPI.TrainerMod",
+      "Compatibility": {
+        "~": {
+          "Status": "Obsolete",
+          "ReasonPhrase": "replaced by ConsoleCommands, which is added by the SMAPI installer."
+        }
+      }
+    },
     {
       // Tree Transplant
       "ID": "TreeTransplant",