Substitute FEATURE_MSP_DISPLAYPORT with !defined(OSD)

Save feature bits.

src/main/fc/config.h

@@ -55,7 +55,6 @@ typedef enum {
     FEATURE_VTX = 1 << 24,
     FEATURE_RX_SPI = 1 << 25,
     FEATURE_SOFTSPI = 1 << 26,
-    FEATURE_MSP_DISPLAYPORT = 1 << 27,
 } features_e;
 
 void beeperOffSet(uint32_t mask);

src/main/io/serial_cli.c

@@ -229,7 +229,7 @@ static const char * const featureNames[] = {
     "SONAR", "TELEMETRY", "CURRENT_METER", "3D", "RX_PARALLEL_PWM",
     "RX_MSP", "RSSI_ADC", "LED_STRIP", "DISPLAY", "OSD",
     "BLACKBOX", "CHANNEL_FORWARDING", "TRANSPONDER", "AIRMODE",
-    " ", "VTX", "RX_SPI", "SOFTSPI", "MSP_DISPLAYPORT", NULL
+    " ", "VTX", "RX_SPI", "SOFTSPI", NULL
 };
 
 // sync this with rxFailsafeChannelMode_e

src/main/main.c

@@ -460,10 +460,8 @@ void init(void)
     mspFcInit();
     mspSerialInit();
 
-#ifdef USE_MSP_DISPLAYPORT
-    if (feature(FEATURE_MSP_DISPLAYPORT)) {
-        cmsDisplayPortRegister(displayPortMspInit());
-    }
+#if defined(USE_MSP_DISPLAYPORT) && defined(CMS)
+    cmsDisplayPortRegister(displayPortMspInit());
 #endif
 
 #ifdef USE_CLI