Revert "add Speed choices"

This reverts commit 86290fb2fe676959ce9f2e7747ffe56f8519a19f.

Minitel.cpp

@@ -35,10 +35,10 @@ Minitel::Minitel(int rx, int tx) : SoftwareSerial(rx, tx) {
   init();
 }
 
-void Minitel::init(short speed) {
+void Minitel::init() {
   Serial.begin(1200);
   begin(1200);
-  setSpeed(speed); // Set serial speed
+  setMaxSpeed(); // Set serial speed to 4800
   useDefaultColors();
   refreshSettings();
 }
@@ -553,29 +553,12 @@ void Minitel::transparentVideo() {
 }
 
 
-void Minitel::setSpeed(short speed) { // speed must be 300, 1200, 4800, 9600 (for Minitel 2 only)
+void Minitel::setMaxSpeed() {
   serialprint7(27);
   serialprint7(58);
   serialprint7(107);
-  switch (speed) {
-    case  300 : 
-		serialprint7(82);
-		begin( 300);
-		break;
-    case 1200 :
-		serialprint7(100);
-		begin(1200);
-		break;
-    case 4800 :
-		serialprint7(118);
-		begin(4800);
-		break;
-    case 9600 : // For Minitel 2 ONLY !
-		wserialprint7(127);
-		begin(9600);
-		break;
-	}
-  
+  serialprint7(118); // Set minitel serial speed to 4800
+  begin(4800); // Set arduino serial speed to 4800
 }
 //
 //