Example template that only shows the event image for a specific category

example.php

<?php
/**
 * Photo View Single Event
 * This file contains one event in the photo view
 *
 * Override this template in your own theme by creating a file at [your-theme]/tribe-events/pro/photo/single-event.php
 *
 * @package TribeEventsCalendar
 * @version 4.4.8
 */

if ( ! defined( 'ABSPATH' ) ) {
	die( '-1' );
} ?>

<?php

global $post;

?>

<div class="tribe-events-photo-event-wrap">
  
  <?php if( is_tax( Tribe__Events__Main::TAXONOMY, 'my-target-category' ) ): ?><!-- if is category -->

      <a class="tribe-event-url" href="<?php echo esc_url( tribe_get_event_link() ); ?>" title="<?php the_title() ?>" rel="bookmark">
          <?php echo tribe_event_featured_image( null, 'medium' ); ?>
      </a>

  <?php else: ?><!-- if not category -->

    <?php echo tribe_event_featured_image( null, 'medium' ); ?>

    <div class="tribe-events-event-details tribe-clearfix">

      <!-- Event Title -->
      <?php do_action( 'tribe_events_before_the_event_title' ); ?>
      <h2 class="tribe-events-list-event-title">
        <a class="tribe-event-url" href="<?php echo esc_url( tribe_get_event_link() ); ?>" title="<?php the_title() ?>" rel="bookmark">
          <?php the_title(); ?>
        </a>
      </h2>
      <?php do_action( 'tribe_events_after_the_event_title' ); ?>

      <!-- Event Meta -->
      <?php do_action( 'tribe_events_before_the_meta' ); ?>
      <div class="tribe-events-event-meta">
        <div class="tribe-event-schedule-details">
          <?php if ( ! empty( $post->distance ) ) : ?>
            <strong>[<?php echo tribe_get_distance_with_unit( $post->distance ); ?>]</strong>
          <?php endif; ?>
          <?php echo tribe_events_event_schedule_details(); ?>
        </div>
      </div><!-- .tribe-events-event-meta -->
      <?php do_action( 'tribe_events_after_the_meta' ); ?>

      <!-- Event Content -->
      <?php do_action( 'tribe_events_before_the_content' ); ?>
      <div class="tribe-events-list-photo-description tribe-events-content">
        <?php echo tribe_events_get_the_excerpt() ?>
      </div>
      <?php do_action( 'tribe_events_after_the_content' ) ?>

    </div><!-- /.tribe-events-event-details -->

  <?php endif; ?><!-- end if is category -->

</div><!-- /.tribe-events-photo-event-wrap -->