Delete wrong subheadings (#237)

Co-authored-by: paulinebessoles <pauline.bessoles@opensourcepolitics.eu>

Author: paulinebessoles

docs/en/modules/admin/partials/page_admins.adoc

@@ -11,7 +11,6 @@ They can't edit anything.
 * *Moderators*: they can see the reported contents of the space and hide or unhide it.
 * *Valuators*: they can evaluate proposals, give them answers and update their statuses. 
 
-=== How to find it?
 === How to find it?
 
 To configure space administrators, click the "Process admins" or "Assembly admins" item in the corresponding space. 
@@ -20,9 +19,6 @@ image::spaces/admins_list.png[Administrators of space]
 
 == Configuration
 
-=== Manage admins
-== Configuration
-
 === Manage admins
 
 You can find all the administrators on the list in the administration panel, with:
@@ -33,7 +29,6 @@ You can find all the administrators on the list in the administration panel, wit
 * *Invitation accepted at*: date when the administrator accepted the invitation by clicking the link in the invitation email. 
 * *Role*: administrator role. 
 
-=== Actions
 === Actions
 
 .Actions in administrators list
@@ -51,7 +46,6 @@ You can find all the administrators on the list in the administration panel, wit
 
 |===
 
-=== Add a space administrator
 === Add a space administrator
 
 Click on the *New space admin* button (depending in the kind of space you're in).