[DOCS] Remove inline callouts for Asciidoctor migration (#41266)

docs/reference/sql/endpoints/jdbc.asciidoc

@@ -51,14 +51,21 @@ Once registered, the driver understands the following syntax as an URL:
 
 ["source","text",subs="attributes"]
 ----
-jdbc:es://<1>[[http|https]://]*<2>[host[:port]]*<3>/[prefix]*<4>[?[option=value]&<5>]*
+jdbc:es://[[http|https]://]*[host[:port]]*/[prefix]*<[?[option=value]&]*
 ----
+`jdbc:es://`:: Prefix. Mandatory.
 
-<1> `jdbc:es://` prefix. Mandatory.
-<2> type of HTTP connection to make - `http` (default) or `https`. Optional.
-<3> host (`localhost` by default) and port (`9200` by default). Optional.
-<4> prefix (empty by default). Typically used when hosting {es} under a certain path. Optional.
-<5> Properties for the JDBC driver. Empty by default. Optional.
+`[[http|https]://]`:: Type of HTTP connection to make. Possible values are
+`http` (default) or `https`. Optional.
+
+`[host[:port]]`:: Host (`localhost` by default) and port (`9200` by default).
+Optional.
+
+`[prefix]`:: Prefix (empty by default). Typically used when hosting {es} under
+a certain path. Optional.
+
+`[option=value]`:: Properties for the JDBC driver. Empty by default.
+Optional.
 
 The driver recognized the following properties: