Add conditions to remove beta note for code and secret scanning in GitHub AE (github#26373)

Author: mattpollard

data/reusables/code-scanning/beta.md

@@ -1,4 +1,8 @@
-{% ifversion ghae %}
+{% ifversion ghae-issue-5752 %}
+
+<!-- Remove this reusable and all references for GA release -->
+
+{% elsif ghae %}
 
 {% note %}
 

data/reusables/secret-scanning/beta.md

@@ -1,4 +1,9 @@
-{% ifversion ghae %}
+{% ifversion ghae-issue-5752 %}
+
+<!-- Remove this reusable and all references for GA release -->
+
+{% elsif ghae %}
+
 {% note %}
 
 **Note:** {% data variables.product.prodname_secret_scanning_caps %} for organization-owned repositories is currently in beta and subject to change.