Merge pull request #83337 from egorzhdan/egorzhdan/enable-std-function-test

[cxx-interop] Enable a test for `std::function` on all Linux distros

Author: egorzhdan

test/Interop/Cxx/stdlib/use-std-function.swift

@@ -7,18 +7,6 @@
 
 // REQUIRES: executable_test
 
-// libstdc++11 declares a templated constructor of std::function with an rvalue-reference parameter,
-// which aren't yet supported in Swift. Therefore initializing a std::function from Swift closures
-// will not work on the platforms that are shipped with this version of libstdc++ (rdar://125816354).
-// XFAIL: LinuxDistribution=rhel-9.3
-// XFAIL: LinuxDistribution=rhel-9.4
-// XFAIL: LinuxDistribution=rhel-9.5
-// XFAIL: LinuxDistribution=rhel-9.6
-// XFAIL: LinuxDistribution=fedora-39
-// XFAIL: LinuxDistribution=fedora-41
-// XFAIL: LinuxDistribution=debian-12
-// XFAIL: LinuxDistribution=amzn-2023
-
 import StdlibUnittest
 import StdFunction
 import CxxStdlib