Patch ADJUST_DELTA macro for SCARA

Marlin/Marlin_main.cpp

@@ -460,6 +460,7 @@ static uint8_t target_extruder;
 #endif
 
 #if ENABLED(AUTO_BED_LEVELING_BILINEAR)
+  #if ENABLED(DELTA)
     #define ADJUST_DELTA(V) \
       if (planner.abl_enabled) { \
         const float zadj = bilinear_z_offset(V); \
@@ -467,6 +468,9 @@ static uint8_t target_extruder;
         delta[B_AXIS] += zadj; \
         delta[C_AXIS] += zadj; \
       }
+  #else
+    #define ADJUST_DELTA(V) if (planner.abl_enabled) { delta[Z_AXIS] += bilinear_z_offset(V); }
+  #endif
 #elif IS_KINEMATIC
   #define ADJUST_DELTA(V) NOOP
 #endif