A11 isnt an analog in!

Author: ladyada

variants/qtpy_m0/variant.h

@@ -94,7 +94,6 @@ extern "C"
 #define PIN_A8               (PIN_A0 + 8)
 #define PIN_A9               (PIN_A0 + 9)
 #define PIN_A10              (PIN_A0 + 10)
-#define PIN_A11              (PIN_A0 + 11)
 #define PIN_DAC0             (00ul)
 
 static const uint8_t A0  = PIN_A0;
@@ -106,7 +105,6 @@ static const uint8_t A7  = PIN_A7 ;
 static const uint8_t A8  = PIN_A8 ;
 static const uint8_t A9  = PIN_A9 ;
 static const uint8_t A10 = PIN_A10 ;
-static const uint8_t A11 = PIN_A11 ;
 static const uint8_t DAC0 = PIN_DAC0;
 
 #define ADC_RESOLUTION		12