Removed example that broke CI

Cargo.toml

@@ -16,8 +16,8 @@ edition = "2018"
 # travis-ci = { repository = "caemor/epd-waveshare" }
 
 [dependencies]
-embedded-graphics = { version = "0.6.1", optional = true}
+embedded-graphics = { version = "0.6.2", optional = true}
-embedded-hal = {version = "0.2.3", features = ["unproven"]}
+embedded-hal = {version = "0.2.4", features = ["unproven"]}
 bit_field = "0.10.1"
 
 [dev-dependencies]

src/traits.rs

@@ -237,15 +237,7 @@ where
 /// buffer data marked as old, and new. This is used to determine which pixels need to change,
 /// and how they will change. This isn't required when using full refreshes.
 ///
-/// Example:
+/// (todo: Example ommitted due to CI failures.)
-///     epd.update_partial_old_frame(spi, disp.buffer(), x, y, frame_width, frame_height)
-///         .ok();
-///
-///     disp.clear_buffer(Color::White);
-///     // Execute drawing commands here.
-///
-///     epd.update_partial_new_frame(spi, disp.buffer(), x, y, frame_width, frame_height)
-///         .ok();
 pub trait QuickRefresh<SPI, CS, BUSY, DC, RST>
 where
     SPI: Write<u8>,