You can place share buttons just by activating this plugin.
add_filter( 'simple_share_the_content', function( $content, $share, $orig ){
return $share. $orig . $share;
}, 10, 3 );
If you would have conflicts with other plugins you can stop JavaScripts in the footer like below.
remove_action( 'simple_share_footer', array( $simple_share, 'facebook_script' ) );
– Stop facebook scripts.remove_action( 'simple_share_footer', array( $simple_share, 'google_script' ) );
– Stop Google scripts.