FIX bluepill examples

Author: askuric

examples/hardware_specific_examples/Bluepill_examples/encoder/bluepill_position_control/bluepill_position_control.ino

@@ -89,7 +89,7 @@ void setup() {
   command.add('T', doTarget, "target angle");
 
   Serial.println(F("Motor ready."));
-  Serial.println(F(("Set the target angle using serial terminal:"));
+  Serial.println(F("Set the target angle using serial terminal:"));
   _delay(1000);
 }
 

examples/hardware_specific_examples/Bluepill_examples/magnetic_sensor/bluepill_position_control/bluepill_position_control.ino

@@ -91,9 +91,6 @@ void setup() {
   _delay(1000);
 }
 
-// angle set point variable
-float target_angle = 0;
-
 void loop() {
 
   // main FOC algorithm function