tools/ipkg-utils: remove some unnecessary field checks

SVN-Revision: 34870

tools/ipkg-utils/patches/210-remove_field_checks.patch

+--- a/ipkg-build
++++ b/ipkg-build
+@@ -101,9 +101,6 @@ You probably want to chown these to a sy
+ 	arch=`required_field Architecture`
+ 	[ "$?" -ne 0 ] && PKG_ERROR=1
+ 
+-	required_field Maintainer >/dev/null
+-	[ "$?" -ne 0 ] && PKG_ERROR=1
+-
+ 	required_field Description >/dev/null
+ 	[ "$?" -ne 0 ] && PKG_ERROR=1
+ 
+@@ -114,23 +111,6 @@ You probably want to chown these to a sy
+ 	    echo "admin, base, comm, editors, extras, games, graphics, kernel, libs, misc, net, text, web, x11" >&2
+ 	fi
+ 
+-	priority=`required_field Priority`
+-	[ "$?" -ne 0 ] && PKG_ERROR=1
+-	if [ -z "$priority" ]; then
+-	    echo "The Priority field should have one of the following values:" >&2
+-	    echo "required, important, standard, optional, extra." >&2
+-	    echo "If you don't know which priority value you should be using, then use \`optional'" >&2
+-	fi
+-
+-	source=`required_field Source`
+-	[ "$?" -ne 0 ] && PKG_ERROR=1
+-	if [ -z "$source" ]; then
+-	    echo "The Source field contain the URL's or filenames of the source code and any patches" 
+-	    echo "used to build this package.  Either gnu-style tarballs or Debian source packages "
+-	    echo "are acceptable.  Relative filenames may be used if they are distributed in the same"
+-	    echo "directory as the .ipk file."
+-	fi
+-
+ 	disallowed_filename=`disallowed_field Filename`
+ 	[ "$?" -ne 0 ] && PKG_ERROR=1
+