For CP, if you want to remove the image in the post you edit the single.php file and remove this line
<?php if ( has_post_thumbnail() ) the_post_thumbnail( 'blog-thumbnail' ); ?>
For CP, if you want to remove the image in the post you edit the single.php file and remove this line
<?php if ( has_post_thumbnail() ) the_post_thumbnail( 'blog-thumbnail' ); ?>