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For hide this option go to the folder themes/classic/templates/customer/page.tpl and find this code:

{if !$configuration.is_catalog}
            <a class="col-lg-4 col-md-6 col-sm-6 col-xs-12" id="order-slips-link" href="{$urls.pages.order_slip}">
          <span class="link-item">
            <i class="fa fa-file-o fa-fw" aria-hidden="true"></i>
            {l s='Credit slips' d='Shop.Theme.Customeraccount'}
          </span>
            </a>
          {/if}

and change for this

{*{if !$configuration.is_catalog}
            <a class="col-lg-4 col-md-6 col-sm-6 col-xs-12" id="order-slips-link" href="{$urls.pages.order_slip}">
          <span class="link-item">
            <i class="fa fa-file-o fa-fw" aria-hidden="true"></i>
            {l s='Credit slips' d='Shop.Theme.Customeraccount'}
          </span>
            </a>
          {/if}*}

or try other way by chose from the left side menu in BO -> Design -> Pages ->

For hide this option go to the folder themes/classic/templates/customer/page.tpl and find this code:

{if !$configuration.is_catalog}
            <a class="col-lg-4 col-md-6 col-sm-6 col-xs-12" id="order-slips-link" href="{$urls.pages.order_slip}">
          <span class="link-item">
            <i class="fa fa-file-o fa-fw" aria-hidden="true"></i>
            {l s='Credit slips' d='Shop.Theme.Customeraccount'}
          </span>
            </a>
          {/if}

and change for this

{*{if !$configuration.is_catalog}
            <a class="col-lg-4 col-md-6 col-sm-6 col-xs-12" id="order-slips-link" href="{$urls.pages.order_slip}">
          <span class="link-item">
            <i class="fa fa-file-o fa-fw" aria-hidden="true"></i>
            {l s='Credit slips' d='Shop.Theme.Customeraccount'}
          </span>
            </a>
          {/if}*}