tex2lyx/TODO: cleanup

Remove items that are done or not relevant to tex import.

src/tex2lyx/TODO.txt

@@ -16,21 +16,10 @@ Format LaTeX feature                        LyX feature
         - Dia and LilyPond are an \includegraphics and can therefore only be imported as image
         - Chess diagram, PDF pages and Spreadsheet are supported)
        (Xfig figure, Lilypond, Dia diagram can be supported by looking at the file extension)
-226    nothing (impossible to import)       InsetBranch, \branch...\end_branch
-226    transformations                      InsetExternal
-       (impossible for Xfig implemented for all other cases)
-228    draft (impossible to import)         InsetExternal
-       (impossible because this outputs only the filename without any info if this
-       is just a string or if the file should be included and as what type)
 254    esint.sty                            \use_esint
 267    XeTeX                                utf8 encoding
-281    ?                                    modules
-293    ?                                    InsetInfo
-322    ?                                    local layout
 326    PDFLaTeX for external insets         InsetExternal
 329    master documents                     \master
-332    ?                                    InsetGraphics groupId
-343    ?                                    \use_default_options
 358    custom bibtex command                \bibtex_command
        Maybe via the
        % !BIB program = 
@@ -39,9 +28,6 @@ Format LaTeX feature                        LyX feature
 363    horizontal longtable alignment       InsetTabular
 364    branch file name suffix              \filename_suffix
 371    automatic mhchem loading             \use_mhchem
-378    revision info                        InsetInfo
-380    ?                                    InsetPreview
-386    LyX version                          InsetInfo
 390    forward/reverse search               \forward_search, \forward_macro
 391    decimal alignment in tables          InsetTabular
 399    automatic mathdots loading           \use_mathdots
@@ -63,8 +49,6 @@ Format LaTeX feature                        LyX feature
 556   Bib files encoding
       \begin_inset CommandInset bibtex     Biblatex: bibencoding=<encoding> [latex name]
       encoding=<encoding> [lyx name]       BibTeX: \bgroup\inputencoding{<encoding>}...\egroup
-561   DejaVu fonts for latex               \font_(roman|sans|typewriter) setting
-