Fix disable of Z_HOMING_SENSITIVITY for HOMING_Z_WITH_PROBE

As pointed out in #10532

Marlin/src/inc/Conditionals_post.h

 #define E3_IS_TRINAMIC (ENABLED(E3_IS_TMC2130) || ENABLED(E3_IS_TMC2208))
 #define E4_IS_TRINAMIC (ENABLED(E4_IS_TMC2130) || ENABLED(E4_IS_TMC2208))
 
-// Disable Z axis sensorless homing if a probe is used to home the Z axis
 #if ENABLED(SENSORLESS_HOMING)
-  #define X_SENSORLESS (ENABLED(X_IS_TMC2130) && defined(X_HOMING_SENSITIVITY))
-  #define Y_SENSORLESS (ENABLED(Y_IS_TMC2130) && defined(Y_HOMING_SENSITIVITY))
-  #define Z_SENSORLESS (ENABLED(Z_IS_TMC2130) && defined(Z_HOMING_SENSITIVITY))
+  // Disable Z axis sensorless homing if a probe is used to home the Z axis
   #if HOMING_Z_WITH_PROBE
     #undef Z_HOMING_SENSITIVITY
   #endif
+  #define X_SENSORLESS (ENABLED(X_IS_TMC2130) && defined(X_HOMING_SENSITIVITY))
+  #define Y_SENSORLESS (ENABLED(Y_IS_TMC2130) && defined(Y_HOMING_SENSITIVITY))
+  #define Z_SENSORLESS (ENABLED(Z_IS_TMC2130) && defined(Z_HOMING_SENSITIVITY))
 #endif
 
 // Endstops and bed probe