reduce vertical whitespace in rendered KDoc comments

idea/testData/editor/quickDoc/OnMethodUsageWithCodeBlock.kt

@@ -17,10 +17,8 @@ fun test() {
     <caret>testMethod(1, "value")
 }
 
-//INFO: <b>internal</b> <b>fun</b> testMethod(): Unit <i>defined in</i> root package<br/><p><p>
-//INFO: Some documentation.</p>
-//INFO:   <pre><code>
+//INFO: <b>internal</b> <b>fun</b> testMethod(): Unit <i>defined in</i> root package<p>Some documentation.</p>
+//INFO: <pre><code>
 //INFO: Code block
 //INFO: Second line
 //INFO: </code><pre>
-//INFO: </p>