[cleanup] docs: mpeg2 leftovers

Author: stefansaraev

docs/README.linux

@@ -51,7 +51,7 @@ Build-Depends: autoconf, automake, autopoint, autotools-dev, cmake, curl,
   libcwiid-dev, libdbus-1-dev, libegl1-mesa-dev, libfontconfig-dev, libfreetype6-dev,
   libfribidi-dev, libgif-dev (>= 4.1.6), libgl1-mesa-dev | libgl-dev, libglu1-mesa-dev | libglu-dev,
   libiso9660-dev, libjpeg-dev, libltdl-dev, liblzo2-dev, libmicrohttpd-dev,
-  libmodplug-dev, libmpcdec-dev, libmpeg2-4-dev, libmysqlclient-dev, libnfs-dev, libogg-dev,
+  libmodplug-dev, libmpcdec-dev, libmysqlclient-dev, libnfs-dev, libogg-dev,
   libpcre3-dev, libplist-dev, libpng12-dev | libpng-dev, libpulse-dev, librtmp-dev,libsdl2-dev,
   libshairplay-dev, libsmbclient-dev, libsqlite3-dev, libssh-dev, libssl-dev, libswscale-dev,
   libtag1-dev (>= 1.8), libtinyxml-dev (>= 2.6.2), libtool, libudev-dev,

docs/README.ubuntu

@@ -86,7 +86,7 @@ For Ubuntu (all versions >= 7.04):
       libboost-dev libboost-thread-dev libbz2-dev libcap-dev libcdio-dev libcurl3 \
       libcurl4-openssl-dev libdbus-1-dev libfontconfig-dev libegl1-mesa-dev libfreetype6-dev \
       libfribidi-dev libgif-dev libiso9660-dev libjpeg-dev liblzo2-dev \
-      libmicrohttpd-dev libmodplug-dev libmpeg2-4-dev libmpeg3-dev libmysqlclient-dev libnfs-dev \
+      libmicrohttpd-dev libmodplug-dev libmysqlclient-dev libnfs-dev \
       libogg-dev libpcre3-dev libplist-dev libpng-dev libpulse-dev libsdl2-dev libsmbclient-dev \
       libsqlite3-dev libssh-dev libssl-dev libtinyxml-dev libtool libudev-dev libusb-dev \
       libva-dev libvdpau-dev libvorbis-dev libvorbisenc2 libxml2-dev libxmu-dev libxrandr-dev \