Fix remaining JavaDoc style issues (#2898)

Author: pivovarit

vavr/src/main/java/io/vavr/collection/CharSeq.java

@@ -2347,7 +2347,7 @@ public CharSeq replace(CharSequence target, CharSequence replacement) {
      * <p>
      * The string {@code "boo:and:foo"}, for example, yields the following results with these expressions:
      * <blockquote>
-     * <table cellpadding=1 cellspacing=0>
+     * <table style="border-spacing: 0; padding: 1px;">
      * <caption>Split examples showing regex and result</caption>
      * <tr>
      * <th>Regex</th>
@@ -2402,7 +2402,7 @@ public Seq<CharSeq> split(String regex) {
      * <p>
      * The string {@code "boo:and:foo"}, for example, yields the
      * following results with these parameters:
-     * <blockquote><table cellpadding=1 cellspacing=0>
+     * <blockquote><table style="border-spacing: 0; padding: 1px;">
      * <caption>Split example showing regex, limit, and result</caption>
      * <tr>
      * <th>Regex</th>

vavr/src/main/java/io/vavr/collection/package-info.java

@@ -2,7 +2,7 @@
  * Purely functional collections based on {@linkplain io.vavr.collection.Traversable}.
  *
  * <h2>Performance Characteristics of Vavr Collections</h2>
- * <table cellpadding="5" cellspacing="0" border="1" style="border-collapse: collapse">
+ * <table style="border-collapse: collapse; border: 1px solid; padding: 5px;">
  * <caption>Time Complexity of Sequential Operations</caption>
  * <thead>
  * <tr>
@@ -27,7 +27,7 @@
  * </tbody>
  * </table>
  * <br>
- * <table cellpadding="5" cellspacing="0" border="1" style="border-collapse: collapse">
+ * <table style="border-collapse: collapse; border: 1px solid; padding: 5px;">
  * <caption>Time Complexity of Map/Set Operations</caption>
  * <thead>
  * <tr>