[scudo] Clean up decl of RSSLimit funtions (NFC)

Reviewed By: cferris

Differential Revision: https://reviews.llvm.org/D159389

Author: ChiaHungDuan

compiler-rt/lib/scudo/standalone/report.h

@@ -34,8 +34,6 @@ void NORETURN reportAllocationSizeTooBig(uptr UserSize, uptr TotalSize,
                                          uptr MaxSize);
 void NORETURN reportOutOfBatchClass();
 void NORETURN reportOutOfMemory(uptr RequestedSize);
-void NORETURN reportSoftRSSLimit(uptr RssLimitMb);
-void NORETURN reportHardRSSLimit(uptr RssLimitMb);
 enum class AllocatorAction : u8 {
   Recycling,
   Deallocating,