Remove TODO file

Replaced by issue tracker quite some time ago

TODO

@@ -1,33 +0,0 @@
-general database classes instead of sqlite specific code 
-database: set a number of paths to default index. will require an indexer code though
-sandboxing!
-allow from GUI to ues commandlin, e. g. "/add ..." would be the same as "qss add ..." in termial
-
-PdfPreview: Use some kind of paging instead of memory limit
-Consider injecting Logger (default stdout/stderr) to classes instead of using Logger::info()/Logger::error()::
-sync/share GUI and CLI data-structures. Better to share codebase in general
-- cli: tagging
-- cli: command line parser: wrong position of [options] 
-- ability to set the WHERE condition (allow editing the SQL query)
-- Basic OCR in images (screenshots)
-- Index .ebup
-- Preview for: .txt, source code files, .ebup, images
-- index: DVD menus, media metadata in audio/files etc?
-- Stats: Number of results found
-- PdfPreview: Files per file, or directory (so basically filter the 
-results)
-- Hide PdfPreview Tab if there are no pdfs in the results
--Tagging: add an "addtag" utility, to assign tags to folder and files
--gui: Search expclitly for tags, list by tags, remove tags, add tags
--gui: Filter already found results. For example, "show only folders",
-or just search with those results.
--split each tab into own class, not everything in mainwindow.cpp?
-Menu:
--Delete from index
--Delete from fs
--Reindex
-Filter:
-type:d 
-type:file
-mtime:
-tag: