removing mistakenly add block comment

Author: gbidsilva

src/main/java/org/apache/commons/csv/CSVFormat.java

@@ -520,25 +520,6 @@ public Builder setHeader(final String... header) {
             return this;
         }
 
-        /**
-         * Gets the character marking the start of a line comment.
-         * <p>
-         * The comment format for each line is:
-         * </p>
-         * <pre>
-         * CommentMarker SPACE CommentArrayElement
-         * </pre>
-         * <p>
-         * For example, using a comment marker {@code '#'} and a comment array {@code comments ["line 1", "line 2"]}:
-         * </p>
-         * <pre>
-         * # line 1
-         * # line 2
-         * </pre>
-         *
-         * @return the comment start marker, may be {@code null}
-         */
-
         /**
          * Sets the header comments set to the given values. The comments will be printed first, before the headers. This setting is ignored by the parser.
          * <p>