remove outdated chapter

guidebook.tex

@@ -136,7 +136,8 @@ This particular document was generated on \today\ at \currenttime. \\
   \pagebreak
   \input{02b_Euler-FiniteVolumes.tex}
   \input{03_documentation.tex}
-  \input{04_development-process}
+  %removed for now since this structure is no longer correct
+  %\input{04_development-process}
 
   \part{Developing new \exahype\ applications}
   \input{10_setup-experiment}