Removed unneeded tx complete interrupt

hardware0.hpp

@@ -61,7 +61,6 @@ constexpr int operator<<(const int &lhs, const ControlFlagsC0 &rhs) { return lhs
 
 static void (*fnRx0IntHandler)() = nullptr;
 static void (*fnDataReg0EmptyIntHandler)() = nullptr;
-static void (*fnTx0IntHandler)() = nullptr;
 
 ISR(USART0_RX_vect)
 {
@@ -75,12 +74,6 @@ ISR(USART0_UDRE_vect)
 		fnDataReg0EmptyIntHandler();
 }
 
-ISR(USART0_TX_vect)
-{
-	if (fnTx0IntHandler)
-		fnTx0IntHandler();
-}
-
 #else
 #error "This chip is not supported"
 #endif
@@ -125,7 +118,6 @@ class Hardware0<mode, cfg, Driven::INTERRUPT> {
 	{
 		detail::fnRx0IntHandler = rxIntHandler;
 		detail::fnDataReg0EmptyIntHandler = dataRegEmptyIntHandler;
-		detail::fnTx0IntHandler = txIntHandler;
 
 		HardwareImpl::init();
 	}
@@ -186,11 +178,6 @@ class Hardware0<mode, cfg, Driven::INTERRUPT> {
 		} else
 			HardwareImpl::disableDataRegEmptyInt();
 	}
-
-	static void txIntHandler()
-	{
-		// TODO
-	}
 };
 
 template <Mode mode, class cfg>