Drivers: remove misleading code comment.

drivers/st7735r/st7735r.py

@@ -59,7 +59,6 @@ class ST7735R(framebuf.FrameBuffer):
         self.height = height  # Required by Writer class
         self.width = width
         self._spi_init = init_spi
-        # Save color mode for use by writer_gui (blit)
         mode = framebuf.GS8  # Use 8bit greyscale for 8 bit color.
         gc.collect()
         buf = bytearray(height * width)

drivers/st7735r/st7735r144.py

@@ -57,7 +57,6 @@ class ST7735R(framebuf.FrameBuffer):
         self.height = height  # Required by Writer class
         self.width = width
         self._spi_init = init_spi
-        # Save color mode for use by writer_gui (blit)
         mode = framebuf.GS8  # Use 8bit greyscale for 8 bit color.
         gc.collect()
         buf = bytearray(self.height * self.width)

drivers/st7735r/st7735r144_4bit.py

@@ -60,7 +60,6 @@ class ST7735R(framebuf.FrameBuffer):
         self.height = height  # Required by Writer class
         self.width = width
         self._spi_init = init_spi
-        # Save color mode for use by writer_gui (blit)
         mode = framebuf.GS4_HMSB  # Use 4bit greyscale.
         gc.collect()
         buf = bytearray(self.height * self.width // 2)

drivers/st7735r/st7735r_4bit.py

@@ -60,7 +60,6 @@ class ST7735R(framebuf.FrameBuffer):
         self.height = height  # Required by Writer class
         self.width = width
         self._spi_init = init_spi
-        # Save color mode for use by writer_gui (blit)
         mode = framebuf.GS4_HMSB  # Use 4bit greyscale.
         gc.collect()
         buf = bytearray(height * width // 2)