Fix phpstan baseline

Author: MarkBaker

phpstan-baseline.neon

@@ -1060,11 +1060,6 @@ parameters:
 			count: 1
 			path: src/PhpSpreadsheet/Calculation/TextData/Text.php
 
-		-
-			message: "#^Elseif branch is unreachable because previous condition is always true\\.$#"
-			count: 1
-			path: src/PhpSpreadsheet/Cell/Cell.php
-
 		-
 			message: "#^Method PhpOffice\\\\PhpSpreadsheet\\\\Cell\\\\Cell\\:\\:getFormulaAttributes\\(\\) has no return type specified\\.$#"
 			count: 1