Remove unneeded @NonNull annotations

See gh-28797

spring-web/src/main/java/org/springframework/http/client/MultipartBodyBuilder.java

@@ -21,7 +21,6 @@ import java.util.List;
 import java.util.Map;
 import java.util.function.Consumer;
 
-import org.jspecify.annotations.NonNull;
 import org.jspecify.annotations.Nullable;
 import org.reactivestreams.Publisher;
 
@@ -379,7 +378,7 @@ public final class MultipartBodyBuilder {
 		 * Return the element type for the {@code Publisher} body.
 		 */
 		@Override
-		public @NonNull ResolvableType getResolvableType() {
+		public ResolvableType getResolvableType() {
 			return this.resolvableType;
 		}
 	}

spring-web/src/main/java/org/springframework/http/codec/xml/Jaxb2XmlDecoder.java

@@ -37,7 +37,6 @@ import jakarta.xml.bind.Unmarshaller;
 import jakarta.xml.bind.annotation.XmlRootElement;
 import jakarta.xml.bind.annotation.XmlSeeAlso;
 import jakarta.xml.bind.annotation.XmlType;
-import org.jspecify.annotations.NonNull;
 import org.jspecify.annotations.Nullable;
 import org.reactivestreams.Publisher;
 import reactor.core.Exceptions;
@@ -172,7 +171,7 @@ public class Jaxb2XmlDecoder extends AbstractDecoder<Object> {
 	}
 
 	@Override
-	public @NonNull Object decode(DataBuffer dataBuffer, ResolvableType targetType,
+	public Object decode(DataBuffer dataBuffer, ResolvableType targetType,
 			@Nullable MimeType mimeType, @Nullable Map<String, Object> hints) throws DecodingException {
 
 		try {

spring-web/src/main/java/org/springframework/http/server/reactive/ServletServerHttpRequest.java

@@ -35,7 +35,6 @@ import jakarta.servlet.ServletInputStream;
 import jakarta.servlet.http.Cookie;
 import jakarta.servlet.http.HttpServletRequest;
 import org.apache.commons.logging.Log;
-import org.jspecify.annotations.NonNull;
 import org.jspecify.annotations.Nullable;
 import reactor.core.publisher.Flux;
 
@@ -214,12 +213,12 @@ class ServletServerHttpRequest extends AbstractServerHttpRequest {
 	}
 
 	@Override
-	public @NonNull InetSocketAddress getLocalAddress() {
+	public InetSocketAddress getLocalAddress() {
 		return new InetSocketAddress(this.request.getLocalAddr(), this.request.getLocalPort());
 	}
 
 	@Override
-	public @NonNull InetSocketAddress getRemoteAddress() {
+	public InetSocketAddress getRemoteAddress() {
 		return new InetSocketAddress(this.request.getRemoteHost(), this.request.getRemotePort());
 	}
 

spring-web/src/main/java/org/springframework/web/util/HierarchicalUriComponents.java

@@ -29,7 +29,6 @@ import java.util.StringJoiner;
 import java.util.function.BiFunction;
 import java.util.function.UnaryOperator;
 
-import org.jspecify.annotations.NonNull;
 import org.jspecify.annotations.Nullable;
 
 import org.springframework.util.Assert;
@@ -196,7 +195,7 @@ final class HierarchicalUriComponents extends UriComponents {
 	}
 
 	@Override
-	public @NonNull String getPath() {
+	public String getPath() {
 		return this.path.getPath();
 	}