Removed -f flag from bzip2 extraction rule, which causes excessive recursion…

Removed -f flag from bzip2 extraction rule, which causes excessive recursion when used with --matryoshka

src/binwalk/config/extract.conf

@@ -27,7 +27,7 @@
 ^gzip compressed data:gz:gzip -d -f '%e':0,2
 ^lzma compressed data:7z:7z e -y '%e':0,1
 ^xz compressed data:tar:tar xJf '%e'
-^bzip2 compressed data:bz2:bzip2 -d -f '%e'
+^bzip2 compressed data:bz2:bzip2 -d '%e'
 ^compress'd data:Z:gzip -d '%e'
 ^zip archive data:zip:7z x -y '%e' -p '':0,1
 ^posix tar archive:tar:tar xvf '%e'