ClasspathComputer: drop public method createEntryUsingPreviousEntry

Not used internally any more, being public was a mistake eventually.

ui/org.eclipse.pde.core/src/org/eclipse/pde/internal/core/ClasspathComputer.java

@@ -463,36 +463,6 @@ private static void setMinimumCompliance(Map<String, String> map, String key, St
 		}
 	}
 
-	/**
-	 * Returns a new classpath container entry for the given execution environment.  If the given java project
-	 * has an existing JRE/EE classpath entry, the access rules, extra attributes and isExported settings of
-	 * the existing entry will be added to the new execution entry.
-	 *
-	 * @param javaProject project to check for existing classpath entries
-	 * @param ee id of the execution environment to create an entry for
-	 * @param path id of the container to create an entry for
-	 *
-	 * @return new classpath container entry
-	 * @throws CoreException if there is a problem accessing the classpath entries of the project
-	 */
-	public static IClasspathEntry createEntryUsingPreviousEntry(IJavaProject javaProject, String ee, IPath path) throws CoreException {
-		IClasspathEntry[] entries = javaProject.getRawClasspath();
-		for (IClasspathEntry entry : entries) {
-			if (path.isPrefixOf(entry.getPath()) && path.equals(PDECore.JRE_CONTAINER_PATH)) {
-				return JavaCore.newContainerEntry(getEEPath(ee), entry.getAccessRules(), entry.getExtraAttributes(), entry.isExported());
-			}
-			if (entry.getPath().equals(path)) {
-				return JavaCore.newContainerEntry(path, entry.getAccessRules(), entry.getExtraAttributes(), entry.isExported());
-			}
-		}
-
-		if (path.equals(PDECore.JRE_CONTAINER_PATH)) {
-			return createJREEntry(ee);
-		}
-
-		return JavaCore.newContainerEntry(path);
-	}
-
 	/**
 	 * Returns a classpath container entry for the given execution environment.
 	 * @param ee id of the execution environment or <code>null</code>