[NFC][AArch64] Remove duplicate Arch list in target parser tests
[NFC][AArch64] Remove duplicate Arch list in target parser tests

The list generated in the target parser tests is the
same as the one in the AArch64 target parser.
Use that one instead.

Differential Revision: https://reviews.llvm.org/D55509


git-svn-id: 0ff597fd157e6f4fc38580e8d64ab130330d2411@348757 91177308-0d34-0410-b5e6-96231b3b80d8

llvm-mirror/llvm,llvm-mirror/llvm,GPUOpen-Drivers/llvm,apple/swift-llvm,apple/swift-llvm,GPUOpen-Drivers/llvm,llvm-mirror/llvm,GPUOpen-Drivers/llvm,apple/swift-llvm,apple/swift-llvm,llvm-mirror/llvm,llvm-mirror/llvm,GPUOpen-Drivers/llvm,llvm-mirror/llvm,llvm-mirror/llvm,apple/swift-llvm,llvm-mirror/llvm,GPUOpen-Drivers/llvm,apple/swift-llvm,apple/swift-llvm,GPUOpen-Drivers/llvm,GPUOpen-Drivers/llvm,llvm-mirror/llvm,apple/swift-llvm,GPUOpen-Drivers/llvm