enable soft endstops for delta

disable delta by default

Marlin/Configuration.h

 //===========================================================================
 //============================== Delta Settings =============================
 //===========================================================================
-// Enable DELTA kinematics
-#define DELTA
+// Enable DELTA kinematics and most of the default configuration for Deltas
+//#define DELTA
 
 // Make delta curves from many straight lines (linear interpolation).
 // This is a trade-off between visible corners (not enough segments)
 #define X_HOME_DIR 1
 #define Y_HOME_DIR 1
 #define Z_HOME_DIR 1
-#define min_software_endstops false // If true, axis won't move to coordinates less than HOME_POS.
-#define max_software_endstops false  // If true, axis won't move to coordinates greater than the defined lengths below.
 
 #else
 
 #define X_HOME_DIR -1
 #define Y_HOME_DIR -1
 #define Z_HOME_DIR -1
+#endif // delta
+
 #define min_software_endstops true // If true, axis won't move to coordinates less than HOME_POS.
 #define max_software_endstops true  // If true, axis won't move to coordinates greater than the defined lengths below.
-#endif // delta
 
 // Travel limits after homing
 #ifdef DELTA