fix: Column width sums less than 100% correct align

These styles caused columns to align to the center when their width sum
did not equal or execeed 100%. Removing these styles did not appear to
negatively impact other inner blocks or the use cases outlined in
#25621.

packages/block-editor/src/components/block-list/index.native.js

@@ -315,10 +315,6 @@ export default function BlockList( {
 									),
 									horizontal &&
 										styles.horizontalContentContainer,
-									isWider( blockWidth, 'medium' ) &&
-										( isContentStretch && isMultiBlocks
-											? styles.horizontalContentContainerStretch
-											: styles.horizontalContentContainerCenter ),
 								] }
 							>
 								{ blockClientIds.map(