Delete commented-out bit/byte order examples.

Signed-off-by: Daira Hopwood <daira@jacaranda.org>

protocol/protocol.tex

@@ -2063,58 +2063,6 @@ as a byte with the bits ordered from \emph{most significant} to
 is toward the left of a diagram. Where bit fields are used, the text will
 clarify their position in each case.
 
-\begin{comment}
-\todo{Update example for big-bit-endian order.}
-
-\newsavebox{\exampleabox}
-\begin{lrbox}{\exampleabox}
-\setchanged
-\begin{bytefield}[bitwidth=1.3em]{32}
-        \bitbox{1}{0} &
-        \bitbox{1}{1} &
-        \bitbox{1}{0} &
-        \bitbox{1}{0} &
-        \bitbox{16}{16 bit $\hexint{ABCD}$} &
-        \bitbox{12}{12 bit $\hexint{123}$} &
-\end{bytefield}
-\end{lrbox}
-
-\newsavebox{\examplebbox}
-\begin{lrbox}{\examplebbox}
-\setchanged
-\begin{bytefield}[bitwidth=1.3em]{32}
-        \bitbox{4}{4 bit $\hexint{2}$} &
-        \bitbox{4}{4 bit $\hexint{D}$} &
-        \bitbox{4}{4 bit $\hexint{C}$} &
-        \bitbox{4}{4 bit $\hexint{B}$} &
-        \bitbox{4}{4 bit $\hexint{A}$} &
-        \bitbox{4}{4 bit $\hexint{3}$} &
-        \bitbox{4}{4 bit $\hexint{2}$} &
-        \bitbox{4}{4 bit $\hexint{1}$} &
-\end{bytefield}
-\end{lrbox}
-
-\newsavebox{\examplecbox}
-\begin{lrbox}{\examplecbox}
-\setchanged
-\begin{bytefield}[bitwidth=1.3em]{32}
-        \bitbox{8}{8 bit $\hexint{D2}$} &
-        \bitbox{8}{8 bit $\hexint{BC}$} &
-        \bitbox{8}{8 bit $\hexint{3A}$} &
-        \bitbox{8}{8 bit $\hexint{12}$} &
-\end{bytefield}
-\end{lrbox}
-
-For example, the following diagrams are all equivalent:
-\begin{formulae}
-  \item $\Justthebox{\exampleabox}$
-  \item $\Justthebox{\examplebbox}$
-  \item $\Justthebox{\examplecbox}$
-\end{formulae}
-
-and represent the byte sequence $[\hexint{D2}, \hexint{BC}, \hexint{3A}, \hexint{12}]$.
-\end{comment}
-
 \introlist
 \nsubsection{Constants} \label{constants}