Remove python reference in README

README.md

@@ -3,11 +3,6 @@ qss
 qss creates a poor-man full-text search for your files using a
 sqlite database.
 
-You need the python "chardet" package, since it will try to convert the 
-encoding of the files in case initial utf-8 decoding fails.
-
-pdftext is needed to search in .pdf files..
-
 A simple gui (C++ with Qt5) for search  is found in gui/. 
 It shows preview pages of documents where your search keywords have 
 been found. This allows you to search all indexed pdfs and take a look