Fixed an offset problem in the single buffer case

PAGEADDR 0 resets the value, no ending page address is allowed
This overcomes the around warpping problem

Author: helmut64

src/SSD1306I2C.h

@@ -117,7 +117,6 @@ class SSD1306I2C : public OLEDDisplay {
 
         sendCommand(PAGEADDR);
         sendCommand(0x0);							// page start address (0 = reset)
-        sendCommand((this->height() / 8) - 1);		// page end address 7
 
         if (geometry == GEOMETRY_128_64) {
           sendCommand(0x7);

src/SSD1306Wire.h

@@ -128,7 +128,6 @@ class SSD1306Wire : public OLEDDisplay {
 
         sendCommand(PAGEADDR);
         sendCommand(0x0);
-        sendCommand((this->height() / 8) - 1);
 
         if (geometry == GEOMETRY_128_64) {
           sendCommand(0x7);