removed obsolete statement

extension/ui/pages/help.html

@@ -221,7 +221,7 @@
 							images together</span>
 						<p>Check this option to avoid saving multiple times duplicate images. Checking this option
 							should not alter the document in modern browsers and can considerably reduce the size of the
-							file. It may also increase the CPU consumption and the time needed to save a page.</p>
+							file.</p>
 						<p class="notice">It is recommended to <u>check</u> this option</p>
 					</li>
 					<li data-options-label="loadDeferredImagesLabel"> <span class="option">Option: save deferred