Fix unnecessary @SupressWarnings annotations

spring-web/src/test/java/org/springframework/http/converter/FormHttpMessageConverterTests.java

@@ -72,7 +72,6 @@ public class FormHttpMessageConverterTests {
 	}
 
 	@Test
-	@SuppressWarnings("unchecked")
 	public void readForm() throws Exception {
 		String body = "name+1=value+1&name+2=value+2%2B1&name+2=value+2%2B2&name+3";
 		Charset iso88591 = Charset.forName("ISO-8859-1");

spring-web/src/test/java/org/springframework/web/method/annotation/InitBinderDataBinderFactoryTests.java

@@ -140,29 +140,25 @@ public class InitBinderDataBinderFactoryTests {
 
 	private static class InitBinderHandler {
 
-		@SuppressWarnings("unused")
 		@InitBinder
 		public void initBinder(WebDataBinder dataBinder) {
 			dataBinder.setDisallowedFields("id");
 		}
 
-		@SuppressWarnings("unused")
 		@InitBinder(value="foo")
 		public void initBinderWithAttributeName(WebDataBinder dataBinder) {
 			dataBinder.setDisallowedFields("id");
 		}
 
-		@SuppressWarnings("unused")
 		@InitBinder
 		public String initBinderReturnValue(WebDataBinder dataBinder) {
 			return "invalid";
 		}
 
-		@SuppressWarnings("unused")
 		@InitBinder
 		public void initBinderTypeConversion(WebDataBinder dataBinder, @RequestParam int requestParam) {
 			dataBinder.setDisallowedFields("requestParam-" + requestParam);
 		}
 	}
 
-}
+}

spring-web/src/test/java/org/springframework/web/method/annotation/ModelAttributeMethodProcessorTests.java

@@ -299,7 +299,6 @@ public class ModelAttributeMethodProcessorTests {
 		}
 	}
 
-	@SuppressWarnings("unused")
 	@ModelAttribute("modelAttrName")
 	private String annotatedReturnValue() {
 		return null;
@@ -310,4 +309,4 @@ public class ModelAttributeMethodProcessorTests {
 		return null;
 	}
 
-}
+}