Move autodiscover ec2 documentation from hints based autodiscover to …

…Autodiscover (#18918) (#18932)

(cherry picked from commit 1de8df2)

libbeat/docs/shared-autodiscover.asciidoc

@@ -344,14 +344,6 @@ include::../../x-pack/libbeat/docs/aws-credentials-config.asciidoc[]
 
 endif::autodiscoverAWSELB[]
 
-
-ifdef::autodiscoverHints[]
-[[configuration-autodiscover-hints]]
-=== Hints based autodiscover
-
-include::../../{beatname_lc}/docs/autodiscover-hints.asciidoc[]
-endif::autodiscoverHints[]
-
 ifdef::autodiscoverAWSEC2[]
 [float]
 ===== Amazon EC2s
@@ -397,6 +389,13 @@ This autodiscover provider takes our standard <<aws-credentials-config,AWS crede
 
 endif::autodiscoverAWSEC2[]
 
+ifdef::autodiscoverHints[]
+[[configuration-autodiscover-hints]]
+=== Hints based autodiscover
+
+include::../../{beatname_lc}/docs/autodiscover-hints.asciidoc[]
+endif::autodiscoverHints[]
+
 [[configuration-autodiscover-advanced]]
 === Advanced usage