[test] Update stability expectations

Author: lorentey

test/api-digester/Outputs/stability-stdlib-source-base.swift.expected

@@ -343,7 +343,6 @@ Func UnsafeMutablePointer.withMemoryRebound(to:capacity:_:) has generic signatur
 Func UnsafeMutablePointer.withMemoryRebound(to:capacity:_:) is now without rethrows
 Func UnsafePointer.withMemoryRebound(to:capacity:_:) has generic signature change from <Pointee, T, Result> to <Pointee, T, E, Result where E : Swift.Error, Pointee : ~Copyable, T : ~Copyable, Result : ~Copyable>
 Func UnsafePointer.withMemoryRebound(to:capacity:_:) is now without rethrows
-Func unsafeBitCast(_:to:) has generic signature change from <T, U> to <T, U where T : ~Escapable>
 Func withExtendedLifetime(_:_:) has generic signature change from <T, Result> to <T, E, Result where E : Swift.Error, T : ~Copyable, T : ~Escapable, Result : ~Copyable>
 Func withExtendedLifetime(_:_:) is now without rethrows
 Func Array.withUnsafeBufferPointer(_:) has generic signature change from <Element, R> to <Element, R, E where E : Swift.Error>

test/api-digester/stability-stdlib-abi-without-asserts.test

@@ -691,9 +691,6 @@ Func _fixLifetime(_:) is now with @_preInverseGenerics
 Func swap(_:_:) has generic signature change from <T> to <T where T : ~Copyable>
 Func swap(_:_:) has mangled name changing from 'Swift.swap<A>(inout A, inout A) -> ()' to 'Swift.swap<A where A: ~Swift.Copyable>(inout A, inout A) -> ()'
 Func swap(_:_:) is now with @_preInverseGenerics
-Func unsafeBitCast(_:to:) has generic signature change from <T, U> to <T, U where T : ~Escapable>
-Func unsafeBitCast(_:to:) has mangled name changing from 'Swift.unsafeBitCast<A, B>(_: A, to: B.Type) -> B' to 'Swift.unsafeBitCast<A, B where A: ~Swift.Escapable>(_: A, to: B.Type) -> B'
-Func unsafeBitCast(_:to:) is now with @_preInverseGenerics
 Func withUnsafeBytes(of:_:) has been removed
 Func withUnsafeMutableBytes(of:_:) has been removed
 Func withUnsafeMutablePointer(to:_:) has been removed