Remove TODOs and FIXMEs that we are not going to fix

Change-Id: I588d9e8f74247adcb26ecdc14b49cf8056291a2e

src/AnchorFormatter.php

@@ -32,7 +32,6 @@ class AnchorFormatter {
 	 * @return string A key for use in wikitext
 	 */
 	public function refKey( string $key, string $num = null ) : string {
-		// FIXME: Move the message to 'cite_ref_link_*'
 		$prefix = $this->messageLocalizer->msg( 'cite_reference_link_prefix' )->text();
 		$suffix = $this->messageLocalizer->msg( 'cite_reference_link_suffix' )->text();
 		if ( $num !== null ) {

src/Cite.php

@@ -236,9 +236,6 @@ class Cite {
 			return StatusValue::newFatal( 'cite_error_included_ref' );
 		}
 
-		// TODO: Assert things such as $text is different than existing ref with $name,
-		//  currently done in `pushRef`.
-
 		return StatusValue::newGood();
 	}
 
@@ -254,10 +251,6 @@ class Cite {
 		string $group,
 		?string $name
 	) : StatusValue {
-		// FIXME: Some assertions make assumptions that rely on earlier tests not failing.
-		//  These dependencies need to be explicit so they aren't accidentally broken by
-		//  reordering in the future, or made more robust to initial conditions.
-
 		if ( $group !== $this->inReferencesGroup ) {
 			// <ref> and <references> have conflicting group attributes.
 			return StatusValue::newFatal( 'cite_error_references_group_mismatch',
@@ -298,9 +291,6 @@ class Cite {
 	}
 
 	/**
-	 * TODO: Looks like this should be split into a section insensitive to context, and the
-	 *  special handling for each context.
-	 *
 	 * @param Parser $parser
 	 * @param ?string $text Raw, untrimmed wikitext content of the <ref> tag, if any
 	 * @param string[] $argv Arguments as given in <ref name=…>, already trimmed

src/ReferenceStack.php

@@ -135,7 +135,6 @@ class ReferenceStack {
 
 		if ( $follow && isset( $this->refs[$group][$follow] ) ) {
 			// We know the parent note already, so just perform the "follow" and bail out
-			// TODO: Separate `pushRef` from these side-effects.
 			$this->appendText( $group, $follow, ' ' . $text );
 			return null;
 		}
@@ -341,10 +340,10 @@ class ReferenceStack {
 			case 'new':
 				// Rollback the addition of new elements to the stack
 				unset( $this->refs[$group][$lookup] );
+				// TODO: Don't we need to rollback groupRefSequence and extendsCount as well?
 				if ( !$this->refs[$group] ) {
 					$this->popGroup( $group );
 				}
-				// TODO: else, don't we need to decrement groupRefSequence?
 				break;
 			case 'new-from-placeholder':
 				$this->refs[$group][$lookup]['__placeholder__'] = true;