Don't force CR LF normalization in .gitattributes

Nowadays all systems can deal with LF-only files (perhaps with some rare
exceptions, not affecting SOCI) and there is no need to force
normalization in the repository itself -- people who need it can always
enable it in their global Git config.

Author: vadz

.gitattributes

@@ -1,6 +1,3 @@
-# Auto detect text files and perform LF normalization
-* text=auto
-
 *.bash eol=lf
 *.env eol=lf
 *.sh eol=lf