Remove a Groovy test already covered by testConfigFileParsingError()

The removed test testConfigFileParsingErrorWhenNamedBeans() could cause
a groovyc compilation error, for example when using latest IntelliJ IDEA.

Issue: SPR-12435

Author: sdeleuze

spring-context/src/test/java/org/springframework/context/groovy/GroovyApplicationContextTests.java

@@ -74,9 +74,4 @@ public void testConfigFileParsingError() {
 		new GenericGroovyApplicationContext("org/springframework/context/groovy/applicationContext-error.groovy");
 	}
 
-	@Test(expected = BeanDefinitionParsingException.class)
-	public void testConfigFileParsingErrorWhenNamedBeans() {
-		new GenericGroovyApplicationContext("org/springframework/context/groovy/beans.groovy");
-	}
-
 }