Remove obsolete, custom Eclipse configuration for spring-oxm

See gh-36195

(cherry picked from commit 9b366b28b7)

gradle/ide.gradle

@@ -84,19 +84,6 @@ eclipse.classpath.file.whenMerged {
 	}
 }
 
-// Due to an apparent bug in Gradle, even though we exclude the "main" classpath
-// entries for sources generated by XJC in spring-oxm.gradle, the Gradle eclipse
-// plugin still includes them in the generated .classpath file. So, we have to
-// manually remove those lingering "main" entries.
-if (project.name == "spring-oxm") {
-	eclipse.classpath.file.whenMerged { classpath ->
-		classpath.entries.removeAll {
-			it.path =~ /build\/generated\/sources\/xjc\/.+/ &&
-			it.entryAttributes.get("gradle_scope") == "main"
-		}
-	}
-}
-
 // Include project specific settings
 tasks.register('eclipseSettings', Copy) {
 	from rootProject.files(