[asan][test] Remove Linux/asan_prelink_test.cpp

[MaskRay]

Summary

glibc 2.37 will remove prelink support. See
https://sourceware.org/pipermail/libc-alpha/2022-January/135565.html for its
broken current state.

[kstoimenov]

LGTM

compiler-rt/test/asan/TestCases/Linux/asan_prelink_test.cpp

-// Test if asan works with prelink.
-// It does not actually use prelink, but relies on GNU ld's -Ttext-segment,
-// LLD's --image-base, or gold's -Ttext (we try the first flag first, if that fails we
-// try the second flag).
-//
-// RUN: %clangxx_asan -c %s -o %t.o
-// RUN: %clangxx_asan -DBUILD_SO=1 -fPIC -shared %s -o %t.so -Wl,-Ttext-segment=0x3600000000 ||\
-// RUN:   %clangxx_asan -DBUILD_SO=1 -fPIC -shared %s -o %t.so -Wl,--image-base=0x3600000000 ||\
-// RUN:   %clangxx_asan -DBUILD_SO=1 -fPIC -shared %s -o %t.so -Wl,-Ttext=0x3600000000
-// RUN: %clangxx_asan -fno-pie -no-pie %t.o %t.so -Wl,-R. -o %t
-// RUN: %env_asan_opts=verbosity=1 %run %t 2>&1 | FileCheck %s
-
-// GNU driver doesn't handle .so files properly.
-// REQUIRES: x86_64-target-arch, shadow-scale-3, Clang
-#if BUILD_SO
-int G;
-int *getG() {
-  return &G;
-}
-#else
-#include <stdio.h>
-extern int *getG();
-int main(int argc, char **argv) {
-  long p = (long)getG();
-  printf("SO mapped at %lx\n", p & ~0xffffffffUL);
-  *getG() = 0;
-}
-#endif
-// CHECK: 0x003000000000, 0x004fffffffff{{.*}} MidMem
-// CHECK: SO mapped at 3600000000