Clean up some pins

Marlin/src/pins/stm32f1/pins_BTT_SKR_E3_DIP.h

@@ -48,20 +48,20 @@
 //
 // Limit Switches
 //
-#define X_STOP_PIN                          PC1   // "X-STOP"
+#define X_STOP_PIN                          PC1   // X-STOP
-#define Y_STOP_PIN                          PC0   // "Y-STOP"
+#define Y_STOP_PIN                          PC0   // Y-STOP
-#define Z_STOP_PIN                          PC15  // "Z-STOP"
+#define Z_STOP_PIN                          PC15  // Z-STOP
 
 //
 // Z Probe must be this pin
 //
-#define Z_MIN_PROBE_PIN                     PC14  // "PROBE"
+#define Z_MIN_PROBE_PIN                     PC14  // PROBE
 
 //
 // Filament Runout Sensor
 //
 #ifndef FIL_RUNOUT_PIN
-  #define FIL_RUNOUT_PIN                    PC2   // "E0-STOP"
+  #define FIL_RUNOUT_PIN                    PC2   // E0-STOP
 #endif
 
 //

Marlin/src/pins/stm32f1/pins_BTT_SKR_MINI_E3_common.h

@@ -41,25 +41,25 @@
 //
 // Servos
 //
-#define SERVO0_PIN                          PA1   // "SERVOS"
+#define SERVO0_PIN                          PA1   // SERVOS
 
 //
 // Limit Switches
 //
-#define X_STOP_PIN                          PC0   // "X-STOP"
+#define X_STOP_PIN                          PC0   // X-STOP
-#define Y_STOP_PIN                          PC1   // "Y-STOP"
+#define Y_STOP_PIN                          PC1   // Y-STOP
-#define Z_STOP_PIN                          PC2   // "Z-STOP"
+#define Z_STOP_PIN                          PC2   // Z-STOP
 
 //
 // Z Probe must be this pin
 //
-#define Z_MIN_PROBE_PIN                     PC14  // "PROBE"
+#define Z_MIN_PROBE_PIN                     PC14  // PROBE
 
 //
 // Filament Runout Sensor
 //
 #ifndef FIL_RUNOUT_PIN
-  #define FIL_RUNOUT_PIN                    PC15  // "E0-STOP"
+  #define FIL_RUNOUT_PIN                    PC15  // E0-STOP
 #endif
 
 //

Marlin/src/pins/stm32f1/pins_FLSUN_HISPEED.h

@@ -117,11 +117,7 @@
  * Several wiring options are provided below, defaulting to
  * to the most compatible.
  */
-
+#if HAS_TMC_UART
-//
-// Drivers
-//
-#if HAS_TMC220x
   // SoftwareSerial with one pin per driver
   // Compatible with TMC2208 and TMC2209 drivers
   #define X_SERIAL_TX_PIN                   PA10  // RXD1

Marlin/src/pins/stm32f1/pins_MKS_ROBIN_E3_common.h

@@ -82,7 +82,7 @@
 #define E0_DIR_PIN                          PB3
 #define E0_ENABLE_PIN                       PB5
 
-#if HAS_TMC220x
+#if HAS_TMC_UART
   /**
    * TMC2208/TMC2209 stepper drivers
    *