[css-grid-1] Remove note about self-alignment and content-alignment being considered separately since they're not. #3200

Author: fantasai

css-grid-1/Overview.bs

@@ -3880,9 +3880,7 @@ Resolve Intrinsic Track Sizes</h3>
 
 			Note: Note that both [[css-align-3#baseline-align-self|baseline self-aligned]]
 			and [[css-align-3#baseline-align-content|baseline content-aligned]] items
-			are considered in this step,
-			but they live in separate <a>baseline-sharing groups</a>.
-			[[CSS-ALIGN-3]]
+			are considered in this step.
 
 			Note: Since <a>grid items</a> whose own size
 			depends on the size of an intrinsically-sized track
@@ -4715,9 +4713,7 @@ Significant Adjustments and Fixes</h4>
 
 					Note: Note that both [[css-align-3#baseline-align-self|baseline self-aligned]]
 					and [[css-align-3#baseline-align-content|baseline content-aligned]] items
-					are considered in this step,
-					but they live in separate <a>baseline-sharing groups</a>.
-					[[CSS-ALIGN-3]]
+					are considered in this step.
 
 					Note: Since <a>grid items</a> whose own size
 					depends on the size of an intrinsically-sized track