[handbook] remove all mentioning of tutorial

doc/handbook/2_detailedinstall.tex

@@ -194,8 +194,7 @@ to avoid confusing it with the option files which came out of the distribution.
 \label{quick-start-guide}
 The previous section showed how to install and compile \Dumux. This section
 shall give a very brief introduction how to run a first test application and how
-to visualize the first output files. A more detailed explanations can be found in
-the tutorials in the following chapter.\\
+to visualize the first output files.\\
 All executables are compiled in the \texttt{build} subdirectories of \Dumux.
 If not given differently in the input files, this is \texttt{build-cmake} as default.
 

doc/handbook/4_parameterfiles.tex

@@ -93,7 +93,3 @@ File = file0.dgf
 [ Model1.Grid ]
 File = file1.dgf
 \end{lstlisting}
-
-
-For further details, please have a look at the \Dumux tutorial, especially exercise 1.
-