remove RB for crash algorithms + some syntaxes fix in BFT algo

Recherche/BFT-ARBover/2_Primitives/index.tex

@@ -1,12 +1,3 @@
-\subsection{Reliable Broadcast (RB)}
-
-\RB provides the following properties in the model.
-\begin{itemize}[leftmargin=*]
-  \item \textbf{Integrity}: Every message received was previously sent. $\forall p_i:\ m = \rbreceived_i() \Rightarrow \exists p_j:\ \RBcast_j(m)$.
-  \item \textbf{No-duplicates}: No message is received more than once at any process.
-  \item \textbf{Validity}: If a correct process broadcasts $m$, every correct process eventually receives $m$.
-\end{itemize}
-
 \subsection{DenyList Object}
 
  We assume a linearizable DenyList (\DL) object as in~\cite{frey:disc23} with the following properties.