Bug 132996 [IDE] IDE does not need to check for VM version
Since 3.1, startup.jar checks if the VM being used is the correct one. Therefore the IDEApplication no longer needs to do the same check. Patch coming.
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/internal/ide/IDEApplication.java
return;
		}
        File versionFile = getVersionFile(instanceLoc.getURL(), true);
        if (versionFile == null) {
			return;
		}
        OutputStream output = null;
        try {
            String versionLine = WORKSPACE_VERSION_KEY + '='
                    + WORKSPACE_VERSION_VALUE;
            output = new FileOutputStream(versionFile);
            output.write(versionLine.getBytes("UTF-8")); 
        } catch (IOException e) {
            IDEWorkbenchPlugin.log("Could not write version file", 
                    StatusUtil.newStatus(IStatus.ERROR, e.getMessage(), e));
        } finally {
            try {
                if (output != null) {
					output.close();
				}
            } catch (IOException e) {
                
            }
        }
    }
    /**
     * The version file is stored in the metadata area of the workspace. This
     * method returns an URL to the file or null if the directory or file does
     * not exist (and the create parameter is false).
     *