remove patch applied upstream

debian/patches/series

@@ -148,4 +148,3 @@ unwind-force-pthread-dl.diff
 force-sse2-compiler-rt.diff
 bolt-disable-emit-relocs.patch
 link-grpc.diff
-workaround-bug-63225.diff

debian/patches/workaround-bug-63225.diff

@@ -1,20 +0,0 @@
-diff --git a/llvm/include/llvm/CodeGen/MachineScheduler.h b/llvm/include/llvm/CodeGen/MachineScheduler.h
---- a/llvm/include/llvm/CodeGen/MachineScheduler.h
-+++ b/llvm/include/llvm/CodeGen/MachineScheduler.h
-@@ -815,7 +815,6 @@
-                          const ResourceSegments &c2) {
-     return c1._Intervals == c2._Intervals;
-   }
--#ifndef NDEBUG
-   friend llvm::raw_ostream &operator<<(llvm::raw_ostream &os,
-                                        const ResourceSegments &Segments) {
-     os << "{ ";
-@@ -824,7 +823,6 @@
-     os << "}\n";
-     return os;
-   }
--#endif
- };
- 
- /// Each Scheduling boundary is associated with ready queues. It tracks the
-