Unnecessary Meta

<?php if ( is_home() && !is_paged() ): ?>
<meta name="robots" content="index,follow">
<?php elseif ( is_search() or is_404() ): ?>
<meta name="robots" content="noindex,follow">
<?php elseif ( !is_category() && is_archive() ): ?>
<meta name="robots" content="noindex,follow">
<?php elseif ( is_paged() ): ?>
<meta name="robots" content="noindex,follow">
<?php elseif ( trim($GLOBALS["stdata9"]) !== '' &&  ($GLOBALS["stdata9"]) == $post->ID ): ?>
<meta name="robots" content="noindex,follow">
<?php elseif ( is_category() && trim($GLOBALS["stdata15"]) !== ''): ?>
<meta name="robots" content="noindex,follow">
<?php endif; ?>