Remove assertjs helpers, update javadoc.

Author: jsuereth

api/incubator/src/main/java/io/opentelemetry/api/incubator/entities/EntityProvider.java

@@ -6,15 +6,13 @@
 package io.opentelemetry.api.incubator.entities;
 
 /**
- * A registry for interacting with {@link Resource}s. The name <i>Provider</i> is for consistency
+ * A registry for interacting with {@code Resource}s. The name <i>Provider</i> is for consistency
  * with other languages and it is <b>NOT</b> loaded using reflection.
- *
- * @see Resource
  */
 public interface EntityProvider {
   /**
-   * Returns a no-op {@link EntityProvider} which only creates no-op {@link Resource}s which do not
-   * record nor are emitted.
+   * Returns a no-op {@link EntityProvider} which only creates no-op {@link EntityBuilder}s which do
+   * not record nor are emitted.
    */
   static EntityProvider noop() {
     return NoopEntityProvider.INSTANCE;

sdk/testing/src/main/java/io/opentelemetry/sdk/testing/assertj/EntityAssert.java

@@ -9,7 +9,6 @@
 import io.opentelemetry.api.common.Attributes;
 import io.opentelemetry.sdk.logs.data.LogRecordData;
 import io.opentelemetry.sdk.metrics.data.MetricData;
-import io.opentelemetry.sdk.resources.internal.Entity;
 import io.opentelemetry.sdk.trace.data.EventData;
 import io.opentelemetry.sdk.trace.data.SpanData;
 import java.util.AbstractMap;
@@ -52,11 +51,6 @@ public static MetricAssert assertThat(@Nullable MetricData metricData) {
     return new MetricAssert(metricData);
   }
 
-  /** Returns an assertion for {@link Entity}. */
-  public static EntityAssert assertThat(@Nullable Entity entity) {
-    return new EntityAssert(entity);
-  }
-
   /** Returns an assertion for {@link EventDataAssert}. */
   public static EventDataAssert assertThat(@Nullable EventData eventData) {
     return new EventDataAssert(eventData);