[css-flexbox] Remove sentence about float affecting box generation, since it no longer does.

Author: fantasai

css-flexbox/Overview.bs

@@ -505,8 +505,6 @@ Flex Containers: the ''flex'' and ''inline-flex'' 'display' values</h2>
 		* the 'column-*' properties in the Multi-column Layout module [[!CSS3COL]] have no effect on a flex container.
 		* 'float' and 'clear' do not create floating or clearance of <a>flex item</a>,
 			and do not take it out-of-flow.
-			However, the 'float' property can still affect box generation
-			by influencing the 'display' property's computed value.
 		* 'vertical-align' has no effect on a flex item.
 		* the ''::first-line'' and ''::first-letter'' pseudo-elements do not apply to <a>flex containers</a>,
 			and <a>flex containers</a> do not contribute a <a>first formatted line</a> or <a>first letter</a>

css-flexbox/Overview.html

@@ -727,9 +727,7 @@ <h2 class="heading settled" data-level="3" id="flex-containers"><span class="sec
      <p>the <a class="property" data-link-type="propdesc">column-*</a> properties in the Multi-column Layout module <a data-link-type="biblio" href="#biblio-css3col">[CSS3COL]</a> have no effect on a flex container.</p>
     <li data-md="">
      <p><a class="property" data-link-type="propdesc" href="https://drafts.csswg.org/css2/visuren.html#propdef-float">float</a> and <a class="property" data-link-type="propdesc" href="https://drafts.csswg.org/css2/visuren.html#propdef-clear">clear</a> do not create floating or clearance of <a data-link-type="dfn" href="#flex-item">flex item</a>,
-and do not take it out-of-flow.
-However, the <a class="property" data-link-type="propdesc" href="https://drafts.csswg.org/css2/visuren.html#propdef-float">float</a> property can still affect box generation
-by influencing the <a class="property" data-link-type="propdesc" href="https://drafts.csswg.org/css2/visuren.html#propdef-display">display</a> property’s computed value.</p>
+and do not take it out-of-flow.</p>
     <li data-md="">
      <p><a class="property" data-link-type="propdesc" href="https://drafts.csswg.org/css2/visudet.html#propdef-vertical-align">vertical-align</a> has no effect on a flex item.</p>
     <li data-md="">