[css-text-3] Remove word-break: break-word, since per <https://lists.w3.org/Archives/Public/www-style/2017May/0047.html> the WG did not resolve to add it.

Author: fantasai

css-text-3/Overview.bs

@@ -820,7 +820,7 @@ Line Breaking Details</h3>
 
     <pre class="propdef">
     Name: word-break
-    Value: normal | keep-all | break-all | break-word
+    Value: normal | keep-all | break-all
     Initial: normal
     Inherited: yes
     Canonical order: n/a
@@ -886,19 +886,6 @@ Line Breaking Details</h3>
 	Note: This value does not affect whether there are <a>soft wrap opportunities</a> around punctuation characters.
 	To allow breaks anywhere, see ''line-break: anywhere''.
 
-      <dt><dfn>break-word</dfn></dt>
-      <dd>An otherwise unbreakable sequence of <a>characters</a>
-        may be broken at an arbitrary point if
-        there are no otherwise-acceptable break points in the line.
-        Shaping characters are still shaped as if the word were not
-        broken, and grapheme clusters must stay together as one unit.
-        No hyphenation character is inserted at the break point.
-
-        The behavior is the same as 'word-wrap'/''overflow-wrap: break-word'',
-        except that this value is taken into account
-        when computing <a>min-content inline size</a>
-        as other values of this property are.
-
       <dt><dfn>keep-all</dfn></dt>
       <dd>Breaking is forbidden within “words”:
         implicit <a>soft wrap opportunities</a> between <a>typographic letter units</a>
@@ -946,7 +933,7 @@ Line Breaking Details</h3>
     </div>
 
     <p>When shaping scripts such as Arabic
-      are allowed to break within words due to ''word-break/break-all'' or ''word-break/break-word'',
+      are allowed to break within words due to ''word-break/break-all''
       the characters must still be shaped
       as if the word were <a href="#word-break-shaping">not broken</a>.
 
@@ -1229,7 +1216,6 @@ Shaping Across Intra-word Breaks</h3>
   at unforced <a>soft wrap opportunities</a> within words
   (such as when breaking due to
   ''word-break: break-all'',
-  ''word-break: break-word'',
   ''line-break: anywhere'',
   ''overflow-wrap: break-word'',
   or when <a>hyphenating</a>)