Remove extraneous function parameters in the network admin. props rlerdorf. see #24210.

git-svn-id: http://core.svn.wordpress.org/trunk@24120 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Remove extraneous function parameters in the wpdb class. props rlerdorf. see #24210.

git-svn-id: http://core.svn.wordpress.org/trunk@24121 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Remove extraneous function parameters in wp_video_shortcode(). props rlerdorf. see #24210.

git-svn-id: http://core.svn.wordpress.org/trunk@24122 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Remove redundant echo calls from list tables. Don't mix string concatenation with direct output. see #24210.

git-svn-id: http://core.svn.wordpress.org/trunk@24123 1a063a9b-81f0-0310-95a4-ce76da25c4cd