[css-grid-1] Remove redundant/confusing mentions of fit-content(), since the actual handling for this case is already built into the called algo. #4549

Author: tabatkins

css-grid-1/Overview.bs

@@ -4109,8 +4109,6 @@ Resolve Intrinsic Track Sizes</h3>
 					If the track has a ''max-content'' <a>max track sizing function</a>,
 					set its <a>growth limit</a>
 					to the maximum of the items’ <a>max-content contributions</a>.
-					For ''fit-content()'' maximums,
-					furthermore clamp this <a>growth limit</a> by the ''fit-content()'' argument.
 			</dl>
 
 			In all cases, if a track’s <a>growth limit</a> is now less than its <a>base size</a>,
@@ -4230,8 +4228,6 @@ Resolve Intrinsic Track Sizes</h3>
 					a <a>max track sizing function</a> of ''max-content''
 					by <a href="#extra-space">distributing extra space</a> as needed
 					to account for these items' <a>max-content contributions</a>.
-					However, limit the growth of any ''fit-content()'' tracks
-					by their ''fit-content()'' argument.
 			</ol>
 
 			Repeat incrementally for items with greater spans until all items have been considered.