Only include outputs in toml BBE

examples/configurable-variables/configurable_variables.bal

@@ -1,12 +1,5 @@
-import ballerina/io;
-
 // The host of the database server. The default value is `localhost`.
 configurable string dbHost = "localhost";
 
 // This specifies that the password must be supplied in a configuration file.
 configurable string password = ?;
-
-public function main() {
-    io:println("host: ", hostName);
-    io:println("password: ", password);
-}

examples/configurable-variables/configurable_variables.md

@@ -6,8 +6,4 @@ For more information, see [Configure a sample Ballerina service](/learn/configur
 
 ::: code configurable_variables.bal :::
 
-To run the example, copy the following content to a file named `Config.toml` in the current directory.
-
-::: code Config.toml :::
-
-::: out configurable_variables.out :::
+::: out configurable_variables.out :::

examples/configurable-variables/configurable_variables.out

@@ -1,3 +1 @@
 $ bal run configurable_variables.bal
-host: localhost
-password: password