[Gardening] Remove a Copy-Pasted Header

CodaFi · CodaFi · commit 8bb5270d2041 · 2022-06-16T18:12:00.000-06:00
diff --git a/test/Casting/ParameterizedExistentials.swift b/test/Casting/ParameterizedExistentials.swift
@@ -1,4 +1,4 @@
-// ParameterizedExistentials.swift - Tests for class constant casts w/ Obj-C
+// ParameterizedExistentials.swift - Casting tests for generalized existentials
 //
 // This source file is part of the Swift.org open source project
 //

Original file line number	Diff line number	Diff line change
`@@ -1,4 +1,4 @@`
`1`		`-// ParameterizedExistentials.swift - Tests for class constant casts w/ Obj-C`
	`1`	`+// ParameterizedExistentials.swift - Casting tests for generalized existentials`
`2`	`2`	`//`
`3`	`3`	`// This source file is part of the Swift.org open source project`
`4`	`4`	`//`