remove 16 specific patches

debian/patches/asan-allocator.diff

@@ -1,22 +0,0 @@
-diff --git a/compiler-rt/lib/asan/asan_allocator.h b/compiler-rt/lib/asan/asan_allocator.h
-index 0b4dbf03bb9d53..6a12a6c6025283 100644
---- a/compiler-rt/lib/asan/asan_allocator.h
-+++ b/compiler-rt/lib/asan/asan_allocator.h
-@@ -143,11 +143,15 @@ typedef DefaultSizeClassMap SizeClassMap;
- const uptr kAllocatorSpace = ~(uptr)0;
- const uptr kAllocatorSize  =  0x8000000000ULL;  // 500G
- typedef DefaultSizeClassMap SizeClassMap;
--# else
-+#  elif SANITIZER_APPLE
- const uptr kAllocatorSpace = 0x600000000000ULL;
- const uptr kAllocatorSize  =  0x40000000000ULL;  // 4T.
- typedef DefaultSizeClassMap SizeClassMap;
--# endif
-+#  else
-+const uptr kAllocatorSpace = 0x500000000000ULL;
-+const uptr kAllocatorSize = 0x40000000000ULL;  // 4T.
-+typedef DefaultSizeClassMap SizeClassMap;
-+#  endif
- template <typename AddressSpaceViewTy>
- struct AP64 {  // Allocator64 parameters. Deliberately using a short name.
-   static const uptr kSpaceBeg = kAllocatorSpace;

debian/patches/remove-unused-imp-module.diff

@@ -1,10 +0,0 @@
---- a/clang/tools/scan-view/bin/scan-view
-+++ b/clang/tools/scan-view/bin/scan-view
-@@ -6,7 +6,6 @@
- """
- 
- import sys
--import imp
- import os
- import posixpath
- import threading