Undeprecate TinkConfig().register().

This is the only way to register all of Tink, and there isn't much value in everyone only registering individual parts.

PiperOrigin-RevId: 498384188
Change-Id: I4c44e2c2a1b2cd9c79210a190585210b2f4ac0f1
diff --git a/src/main/java/com/google/crypto/tink/config/TinkConfig.java b/src/main/java/com/google/crypto/tink/config/TinkConfig.java
index 5b3bed1..4929eed 100644
--- a/src/main/java/com/google/crypto/tink/config/TinkConfig.java
+++ b/src/main/java/com/google/crypto/tink/config/TinkConfig.java
@@ -35,9 +35,7 @@
  * }</pre>
  *
  * @since 1.0.0
- * @deprecated Use per-primitive configs, e.g., {@link AeadConfig}, {@link HybridConfig}, etc.
  */
-@Deprecated
 public final class TinkConfig {
   /** @deprecated */
   @Deprecated