More Trinamic cleanup

Marlin/stepper_indirection.cpp

@@ -179,6 +179,10 @@
   // Following values from Trinamic's spreadsheet with values for a NEMA17 (42BYGHW609)
   // https://www.trinamic.com/products/integrated-circuits/details/tmc2130/
   void tmc2130_init(TMC2130Stepper &st, const uint16_t mA, const uint16_t microsteps, const uint32_t thrs, const float spmm) {
+    #if DISABLED(STEALTHCHOP) || DISABLED(HYBRID_THRESHOLD)
+      UNUSED(thrs);
+      UNUSED(spmm);
+    #endif
     st.begin();
     st.setCurrent(mA, R_SENSE, HOLD_MULTIPLIER);
     st.microsteps(microsteps);
@@ -196,9 +200,6 @@
       st.stealthChop(1);
       #if ENABLED(HYBRID_THRESHOLD)
         st.stealth_max_speed(12650000UL*microsteps/(256*thrs*spmm));
-      #else
-        UNUSED(thrs);
-        UNUSED(spmm);
       #endif
     #elif ENABLED(SENSORLESS_HOMING)
       st.coolstep_min_speed(1024UL * 1024UL - 1UL);