Revert "[sanitizers][windows] Rtl-Heap Interception and tests"

Causes build failure on clang-ppc64be-linux-lnt:

compiler-rt/lib/asan/asan_malloc_win.cc:23:2: error: #error "Missing arch or unsupported platform for Windows."
 #error "Missing arch or unsupported platform for Windows."
  ^~~~~
compiler-rt/lib/asan/asan_malloc_win.cc:25:10: fatal error: heapapi.h: No such file or directory
 #include <heapapi.h>
          ^~~~~~~~~~~
compilation terminated.
[39/1151] Building CXX object projects/compiler-rt/lib/asan/CMakeFiles/RTAsan.powerpc64.dir/asan_debugging.cc.o
[40/1151] Building CXX object projects/compiler-rt/lib/asan/CMakeFiles/RTAsan.powerpc64.dir/asan_malloc_win.cc.o
FAILED: projects/compiler-rt/lib/asan/CMakeFiles/RTAsan.powerpc64.dir/asan_malloc_win.cc.o
/usr/bin/c++  -D_DEBUG -D_GNU_SOURCE -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS -Iprojects/compiler-rt/lib/asan -Icompiler-rt/lib/asan -Iinclude -I/home/buildbots/ppc64be-clang-lnt-test/clang-ppc64be-lnt/llvm/include -Icompiler-rt/lib/asan/.. -fPIC -fvisibility-inlines-hidden -Werror=date-time -std=c++11 -Wall -Wextra -Wno-unused-parameter -Wwrite-strings -Wcast-qual -Wno-missing-field-initializers -pedantic -Wno-long-long -Wimplicit-fallthrough -Wno-maybe-uninitialized -Wno-noexcept-type -Wdelete-non-virtual-dtor -Wno-comment -fdiagnostics-color -ffunction-sections -fdata-sections -Wall -std=c++11 -Wno-unused-parameter -O2    -UNDEBUG  -m64 -fPIC -fno-builtin -fno-exceptions -fomit-frame-pointer -funwind-tables -fno-stack-protector -fvisibility=hidden -fno-lto -O3 -g -Wno-variadic-macros -Wno-non-virtual-dtor -fno-rtti -MD -MT projects/compiler-rt/lib/asan/CMakeFiles/RTAsan.powerpc64.dir/asan_malloc_win.cc.o -MF projects/compiler-rt/lib/asan/CMakeFiles/RTAsan.powerpc64.dir/asan_malloc_win.cc.o.d -o projects/compiler-rt/lib/asan/CMakeFiles/RTAsan.powerpc64.dir/asan_malloc_win.cc.o -c compiler-rt/lib/asan/asan_malloc_win.cc
compiler-rt/lib/asan/asan_malloc_win.cc:23:2: error: #error "Missing arch or unsupported platform for Windows."
 #error "Missing arch or unsupported platform for Windows."
  ^~~~~
compiler-rt/lib/asan/asan_malloc_win.cc:25:10: fatal error: heapapi.h: No such file or directory
 #include <heapapi.h>
          ^~~~~~~~~~~

llvm-svn: 365384