[compiler-rt][tsan] Remove unnecesary typedefs

These typedefs are not used anywhere else in this compilation unit.

Differential Revision: https://reviews.llvm.org/D86826

compiler-rt/lib/tsan/rtl/tsan_interface.cpp

@@ -20,10 +20,6 @@
 
 using namespace __tsan;
 
-typedef u16 uint16_t;
-typedef u32 uint32_t;
-typedef u64 uint64_t;
-
 void __tsan_init() {
   cur_thread_init();
   Initialize(cur_thread());