NFC: fix stdlib compilation warning. (#31509)

dan-zheng · web-flow · commit 99e4918a0aed · 2020-05-05T00:15:13.000-07:00
Remove extraneous `@usableFromInline` attribute.
diff --git a/stdlib/public/Darwin/Foundation/Data.swift b/stdlib/public/Darwin/Foundation/Data.swift
@@ -1416,7 +1416,6 @@ public struct Data : ReferenceConvertible, Equatable, Hashable, RandomAccessColl
         }
 
         @inlinable
-        @usableFromInline
         @_alwaysEmitIntoClient
         internal mutating func _truncateOrZeroExtend(toCount newCount: Int) {
             switch self {

Original file line number	Diff line number	Diff line change
`@@ -1416,7 +1416,6 @@ public struct Data : ReferenceConvertible, Equatable, Hashable, RandomAccessColl`
`1416`	`1416`	`}`
`1417`	`1417`
`1418`	`1418`	`@inlinable`
`1419`		`- @usableFromInline`
`1420`	`1419`	`@_alwaysEmitIntoClient`
`1421`	`1420`	`internal mutating func _truncateOrZeroExtend(toCount newCount: Int) {`
`1422`	`1421`	`switch self {`