Revert "[sanitizer] Define 32bit uptr as uint"

Revert "[sanitizer] Define 32bit uptr as uint"

This reverts commit 45138f788c9b3c4ac5d9ae4479841c411c15190e.

It looks like this breaks building sanitizers on Darwin platforms on
Green Dragon

https://green.lab.llvm.org/green/job/clang-stage1-RA/23332/console

    FAILED: lib/sanitizer_common/CMakeFiles/RTSanitizerCommonSymbolizerNoHooks.ios.dir/sanitizer_stacktrace.cpp.o
    /Users/buildslave/jenkins/workspace/clang-stage1-RA@2/clang-build/./bin/clang++  -DHAVE_RPC_XDR_H=0 -I/Users/buildslave/jenkins/workspace/clang-stage1-RA@2/llvm-project/compiler-rt/lib/sanitizer_common/.. -Wall -std=c++14 -Wno-unused-parameter -O2 -g -DNDEBUG -arch armv7 -arch armv7s -arch arm64 -arch armv7k -isysroot /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.15.sdk    -stdlib=libc++ -miphoneos-version-min=9.0 -isysroot /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS13.5.sdk -fPIC -fno-builtin -fno-exceptions -funwind-tables -fno-stack-protector -fno-sanitize=safe-stack -fvisibility=hidden -fno-lto -Wthread-safety -Wthread-safety-reference -Wthread-safety-beta -O3 -g -Wno-gnu -Wno-variadic-macros -Wno-c99-extensions -Wno-format-pedantic -nostdinc++ -Wno-format -fno-rtti -Wframe-larger-than=570 -Wglobal-constructors -DSANITIZER_SUPPORTS_WEAK_HOOKS=0 -MD -MT lib/sanitizer_common/CMakeFiles/RTSanitizerCommonSymbolizerNoHooks.ios.dir/sanitizer_stacktrace.cpp.o -MF lib/sanitizer_common/CMakeFiles/RTSanitizerCommonSymbolizerNoHooks.ios.dir/sanitizer_stacktrace.cpp.o.d -o lib/sanitizer_common/CMakeFiles/RTSanitizerCommonSymbolizerNoHooks.ios.dir/sanitizer_stacktrace.cpp.o -c '/Users/buildslave/jenkins/workspace/clang-stage1-RA@2/llvm-project/compiler-rt/lib/sanitizer_common/sanitizer_stacktrace.cpp'
    In file included from /Users/buildslave/jenkins/workspace/clang-stage1-RA@2/llvm-project/compiler-rt/lib/sanitizer_common/sanitizer_stacktrace.cpp:13:
    In file included from /Users/buildslave/jenkins/workspace/clang-stage1-RA@2/llvm-project/compiler-rt/lib/sanitizer_common/sanitizer_stacktrace.h:15:
    /Users/buildslave/jenkins/workspace/clang-stage1-RA@2/llvm-project/compiler-rt/lib/sanitizer_common/sanitizer_common.h:1068:14: error: 'operator new' takes type size_t ('unsigned long') as first parameter
    inline void *operator new(__sanitizer::operator_new_size_type size,
                 ^
    1 error generated.