Fix JdbcUtil after merge

Author: stankiewicz

sdks/java/io/jdbc/src/main/java/org/apache/beam/sdk/io/jdbc/JdbcUtil.java

@@ -455,12 +455,10 @@ private static Calendar withTimestampAndTimezone(DateTime dateTime) {
     return calendar;
   }
 
-  /**
-   * Returns a {@code JdbcReadPartitionsHelper} instance associated with the given {@param type}.
-   */
+  /** Returns a {@code JdbcReadPartitionsHelper} instance associated with the given {@code type}. */
   static <T> @Nullable JdbcReadWithPartitionsHelper<T> getPartitionsHelper(TypeDescriptor<T> type) {
     // This cast is unchecked, thus this is a small type-checking risk. We just need
-    // to make sure that all preset helpers in `JdbcUtil.PRESET_HELPERS` are matched
+    // to make sure that all preset helpers in {@code PRESET_HELPERS} are matched
     // in type from their Key and their Value.
     return (JdbcReadWithPartitionsHelper<T>) PRESET_HELPERS.get(type.getRawType());
   }