[css-conditional-5] Remove definitions of <font-format> and <font-tech>

Author: cdoublev

css-conditional-5/Overview.bs

@@ -74,17 +74,9 @@ Extensions to the ''@supports'' rule</h2>
 		<dfn>&lt;supports-feature></dfn> = <<supports-selector-fn>> | <<supports-font-tech-fn>>
 		                    | <<supports-font-format-fn>> | <<supports-decl>>
 		<dfn>&lt;supports-font-tech-fn></dfn> = font-tech( <<font-tech>> )
-		<dfn>&lt;font-tech></dfn> = [ features-opentype | features-aat | features-graphite
-		                    | color-colrv0 | color-colrv1 | color-svg | color-sbix | color-cbdt
-		                    | variations | palettes | incremental ]
 		<dfn>&lt;supports-font-format-fn></dfn> = font-format( <<font-format>> )
-		<dfn>&lt;font-format</dfn> = [ collection | embedded-opentype | opentype
-		                    | svg | truetype | woff | woff2 ]
 	</pre>
 
-	ISSUE: <<font-format>> and <<font-tech>> should be imported from css-fonts-4, not defined here.
-
-
 	: <<supports-font-tech-fn>>
 	::
 		The result is true if the UA