[IMP] theme_*: adapt s_image_text templates

This commit aims to review all the occurrences of the `s_image_text`
snippet across the themes in order to fix broken selectors.

task-3665301

closes odoo/design-themes#830

Related: odoo/odoo#173311
Signed-off-by: Robin Lejeune (role) <role@odoo.com>

theme_odoo_experts/views/snippets/s_image_text.xml

@@ -15,10 +15,6 @@
         <attribute name="data-shape-colors">;;;;o-color-5</attribute>
         <attribute name="style">padding: 48px !important;</attribute>
     </xpath>
-    <!-- Column #2 -->
-    <xpath expr="//div[hasclass('col-lg-6')]" position="attributes">
-        <attribute name="class" add="offset-lg-1" separator=" "/>
-    </xpath>
     <!-- Column #2 - Title -->
     <xpath expr="//h2" position="replace" mode="inner">
         A solution for <br/>every need