Make javadoc <p> style guide compliant

This led to confusion for an open source contributor about how to format
code. We don't want to be like, "do as I say, not as I do."

https://google.github.io/styleguide/javaguide.html#s7.1.2-javadoc-paragraphs
-------------
Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=122589700

java/google/registry/model/translators/EnumToAttributeAdapter.java

@@ -32,9 +32,9 @@ public class EnumToAttributeAdapter<E extends Enum<E> & EnumToAttributeAdapter.E
 
   /**
    * EPP's peculiar enum format.
-   * <p>
-   * It's meant to allow more information inside the element, but it's an annoyance when we want to
-   * deal with pure enums.
+   *
+   * <p>It's meant to allow more information inside the element, but it's an annoyance when we want
+   * to deal with pure enums.
    */
   static class EnumShim {
     @XmlAttribute

java/google/registry/model/translators/ReadableInstantUtcTranslatorFactory.java

@@ -33,10 +33,10 @@ import java.util.Date;
 
 /**
  * Stores Joda {@link ReadableInstant} types ({@code DateTime}, etc) as a {@link java.util.Date}.
- * <p>
- * This is a fork of the {@code ReadableInstantTranslatorFactory} that comes bundled with Objectify.
- * The original reifies a {@link ReadableInstant} using the machine's local time zone. This version
- * always uses UTC.
+ *
+ * <p>This is a fork of the {@code ReadableInstantTranslatorFactory} that comes bundled with
+ * Objectify.  The original reifies a {@link ReadableInstant} using the machine's local time
+ * zone. This version always uses UTC.
  */
 public class ReadableInstantUtcTranslatorFactory
     extends ValueTranslatorFactory<ReadableInstant, Date> {