Update CommandParser.kt

Author: Android-PowerUser

app/src/main/kotlin/com/google/ai/sample/util/CommandParser.kt

@@ -808,14 +808,4 @@ sealed class Command {
      * Command to switch to low reasoning model (gemini-2.0-flash-lite)
      */
     object UseLowReasoningModel : Command()
-    
-    /**
-     * Command to switch to high reasoning model (gemini-2.5-pro-preview-03-25)
-     */
-    object UseHighReasoningModel : Command()
-    
-    /**
-     * Command to switch to low reasoning model (gemini-2.0-flash-lite)
-     */
-    object UseLowReasoningModel : Command()
 }