Polishing.

Remove isProxyTypeInformation from TypeInformation. Use computeIfAbsent to fall back to user type information when attempting to add a entity to the MappingContext.

See #2485
Original pull request: #2486.

src/main/java/org/springframework/data/util/TypeInformation.java

@@ -162,16 +162,6 @@ public interface TypeInformation<S> {
 		return userType.equals(getType()) ? this : ClassTypeInformation.from(userType);
 	}
 
-	/**
-	 * Returns if {@link #getType()} refers to a proxy or user class.
-	 *
-	 * @return true if type is a proxy.
-	 * @since 2.6
-	 */
-	default boolean isProxyTypeInformation() {
-		return !this.equals(getUserTypeInformation());
-	}
-
 	/**
 	 * Returns a {@link ClassTypeInformation} to represent the {@link TypeInformation} of the raw type of the current
 	 * instance.