[css-pseudo] Adjust example text to match normative prose

Author: frivoal

css-pseudo/Overview.bs

@@ -347,12 +347,7 @@ Styling the ''::first-letter'' Pseudo-element</h4>
   <div class="example">
     Example:
     This CSS and HTML example shows a possible rendering of an initial cap.
-    Note that the 'line-height' that is inherited
-    by the ''::first-letter'' pseudo-element is 1.1,
-    but the User-Agent in this example has computed the height
-    of the first letter box differently,
-    so that it doesn't cause any unnecessary space between the first two lines.
-    Also note that the fictional start tag of the first letter
+    Note that the fictional start tag of the first letter
     is inside the <span>span</span>,
     and thus the font weight of the first letter is normal,
     not bold as the <span>span</span>:

css-pseudo/Overview.html

@@ -456,12 +456,7 @@ <h4 class="heading settled" data-level=2.2.2 id=first-letter-styling><span class
   <div class=example>
     Example:
     This CSS and HTML example shows a possible rendering of an initial cap.
-    Note that the <a class=property data-link-type=propdesc href=http://dev.w3.org/csswg/css2/visudet.html#propdef-line-height title=line-height>line-height</a> that is inherited
-    by the <span class=css>::first-letter</span> pseudo-element is 1.1,
-    but the User-Agent in this example has computed the height
-    of the first letter box differently,
-    so that it doesn’t cause any unnecessary space between the first two lines.
-    Also note that the fictional start tag of the first letter
+    Note that the fictional start tag of the first letter
     is inside the <span>span</span>,
     and thus the font weight of the first letter is normal,
     not bold as the <span>span</span>: