Small fixes.

MicroDexed.ino

@@ -301,7 +301,6 @@ void create_audio_drum_chain(uint8_t instance_id)
 }
 #endif
 
-StaticJsonDocument<JSON_BUFFER_SIZE> data_json;
 uint8_t sd_card = 0;
 Sd2Card card;
 SdVolume volume;

control_sgtl5000plus.cpp

@@ -115,24 +115,27 @@ void AudioControlSGTL5000Plus::setEQFc(uint8_t band, float frq)
   }
 }
 
-// Calculate Q: http://www.sengpielaudio.com/calculator-bandwidth.htm
-/* void AudioControlSGTL5000Plus::setEQQ(uint8_t band, float q)
-  {
+void AudioControlSGTL5000Plus::setEQQ(uint8_t band, float q)
+{
   if (Q)
   {
     band = constrain(band, 1, num_bands);
     Q[band - 1] = q;
   }
-  }*/
+}
 
-void setEQBandwidth(uint8_t band, float bw);
-{
+/*
+  // Calculate Q: http://www.sengpielaudio.com/calculator-bandwidth.htm
+  void setEQBandwidth(uint8_t band, float bw)
+  {
   if (Q && Fc)
   {
-    band = constrain(band, 1, num_bands);
-    //Q[band - 1] = ;
+  band = constrain(band, 1, num_bands);
+  //Q[band - 1] = ;
   }
-}
+  }
+*/
+
 void AudioControlSGTL5000Plus::setEQGain(uint8_t band, float gain)
 {
   if (peakGainDB)