remove the outdated usage in test

Author: Jinjie-Huang

bolt/test/X86/dwarf4-ftypes-dwp-input-dwp-output.test

@@ -1,4 +1,4 @@
-# UNSUPPORTED: true
+# REQUIRES: system-linux
 ; RUN: rm -rf %t
 ; RUN: mkdir %t
 ; RUN: cd %t
@@ -8,7 +8,8 @@
 ; RUN: llvm-dwp -e main.exe -o main.exe.dwp
 ; RUN: llvm-dwarfdump --show-form --verbose --debug-types main.exe.dwp | FileCheck -check-prefix=PRE-BOLT %s
 ; RUN: llvm-dwarfdump --show-form --verbose --debug-tu-index main.exe.dwp | FileCheck -check-prefix=PRE-BOLT-DWP-TU-INDEX %s
-; RUN: llvm-bolt main.exe -o main.exe.bolt --update-debug-sections --write-dwp
+; RUN: llvm-bolt main.exe -o main.exe.bolt --update-debug-sections
+; RUN: llvm-dwp -e main.exe -o main.exe.bolt.dwp
 ; RUN: llvm-dwarfdump --show-form --verbose --debug-types main.exe.bolt.dwp | FileCheck -check-prefix=BOLT %s
 ; RUN: llvm-dwarfdump --show-form --verbose --debug-tu-index main.exe.bolt.dwp | FileCheck -check-prefix=BOLT-DWP-TU-INDEX %s