🎨 misc. cleanup

Marlin/src/HAL/STM32/timers.cpp

 // This cannot yet account for timers used for PWM output, such as for fans.
 static constexpr struct { TimerPurpose p; int t; } timers_in_use[] = {
   #if HAS_TMC_SW_SERIAL
-    {TP_SERIAL, get_timer_num_from_base_address(timer_serial[0])},  // Set in variant.h, or as a define in platformio.h if not present in variant.h
+    { TP_SERIAL, get_timer_num_from_base_address(timer_serial[0]) }, // Set in variant.h, or as a define in platformio.h if not present in variant.h
   #endif
   #if ENABLED(SPEAKER)
-    {TP_TONE, get_timer_num_from_base_address(timer_tone[0])},    // Set in variant.h, or as a define in platformio.h if not present in variant.h
+    { TP_TONE, get_timer_num_from_base_address(timer_tone[0]) },     // Set in variant.h, or as a define in platformio.h if not present in variant.h
   #endif
   #if HAS_SERVOS
-    {TP_SERVO, get_timer_num_from_base_address(timer_servo[0])},   // Set in variant.h, or as a define in platformio.h if not present in variant.h
+    { TP_SERVO, get_timer_num_from_base_address(timer_servo[0]) },   // Set in variant.h, or as a define in platformio.h if not present in variant.h
   #endif
-  {TP_STEP, STEP_TIMER},
-  {TP_TEMP, TEMP_TIMER},
+  { TP_STEP, STEP_TIMER },
+  { TP_TEMP, TEMP_TIMER },
 };
 
 static constexpr bool verify_no_timer_conflicts() {

Marlin/src/module/motion.cpp

 }
 
 #if ENABLED(AUTO_REPORT_POSITION)
-  //struct PositionReport { void report() { report_current_position_projected(); } };
   AutoReporter<PositionReport> position_auto_reporter;
 #endif