refactor: replace SET_LIVE_INSTRUMENTS command with ADD_LIVE_INSTRUMENTS

Author: BFergerson

src/main/kotlin/spp/protocol/instrument/command/CommandType.kt

@@ -18,6 +18,5 @@ package spp.protocol.instrument.command
 
 enum class CommandType {
     ADD_LIVE_INSTRUMENT,
-    REMOVE_LIVE_INSTRUMENT,
-    SET_INITIAL_INSTRUMENTS,
+    REMOVE_LIVE_INSTRUMENT
 }

src/main/kotlin/spp/protocol/instrument/command/LiveInstrumentCommand.kt

@@ -42,7 +42,6 @@ data class LiveInstrumentCommand(
     }
 
     fun isDispatchable(): Boolean {
-        if (commandType == CommandType.SET_INITIAL_INSTRUMENTS) return true
         return instruments.isNotEmpty() || locations.isNotEmpty()
     }