Revert accidentally commited local changes, that still are not tested

[[Imported from SVN: r6814]]

cmake/modules/DuneMacros.cmake

@@ -15,12 +15,7 @@
 #
 # dune_project()
 #
-#  macro that should be called near the beginning of the top level
-# CMakeLists.txt. Please make sure to call
-#
-# project(dune-module-name)
-#
-# at the very beginning of that file.
+#  macro that should be called near the begin of the top level CMakeLists.txt.
 # Namely it sets up the module, defines basic variables and manages
 # depedencies.
 # Don't forget to call finalize_dune_project afterwards.
@@ -132,8 +127,6 @@ macro(dune_module_information MODULE_DIR)
     string(REGEX REPLACE ".*Depends:[ ]*([^ \n]+).*" "\\1" DUNE_DEPENDS "${MODULE_LINE}")
   endif(MODULE_LINE)
 
-  string(REGEX REPLACE ".*Suggests:[ ]*([^ \n]+).*" "\\1" DUNE_SUGGESTS "${MODULE_LINE}")
-
   dune_module_to_uppercase(DUNE_MOD_NAME_UPPERCASE ${DUNE_MOD_NAME})
 
   # set module version