Delete some TODOs, now done, in the manual

examples/technical_report/Isabelle_DOF-Manual/03_GuidedTour.thy

@@ -505,9 +505,6 @@ side_by_side_figure*["hyperlinks"::side_by_side_figure,anchor="''fig:Dogfood-IV-
                       caption2="''Exploring an attribute (hyperlinked to the class).''",
                       relative_width2="47",
                       src2="''figures/Dogfood-V-attribute''"]\<open>Navigation via generated hyperlinks.\<close>
-(* TODO: Update the images in fig:Dogfood-IV-jumpInDocCLass side_by_side_figure
-   to align them. This has to wait that the exploration of an attribute is again possible.
-   See: https://git.logicalhacking.com/Isabelle_DOF/Isabelle_DOF/issues/10 *)
 
 text\<open> 
   From these class definitions, \<^isadof> also automatically generated editing 

examples/technical_report/Isabelle_DOF-Manual/04_RefMan.thy

@@ -1009,9 +1009,6 @@ text\<open>
   these types. They are just types declared in HOL, 
   which are ``inhabited'' by special constant symbols carrying strings, for
   example of the format \<^boxed_theory_text>\<open>@{thm <string>}\<close>.
-  % TODO:
-  % Update meta-types implementation explanation to the new implementation
-  % in repository commit 08c101c5440eee2a087068581952026e88c39f6a
   When HOL
   expressions were used to denote values of \<^boxed_theory_text>\<open>doc_class\<close>
   instance attributes, this requires additional checks after