dev-lang/rust: drop unused patch

it's was comitted as part of another, larger patch

Package-Manager: Portage-2.3.99, Repoman-2.3.22
Signed-off-by: Georgy Yakovlev <gyakovlev@gentoo.org>

dev-lang/rust/files/1.43.0-llvm10-LLVMTimeTraceProfilerInitialize.patch

@@ -1,26 +0,0 @@
-From 724b7ee92f3e83af2a451b726ad990fe7db54528 Mon Sep 17 00:00:00 2001
-From: Nikita Popov <nikita.ppv@gmail.com>
-Date: Tue, 4 Feb 2020 20:35:50 +0100
-Subject: [PATCH] Fix timeTraceProfilerInitialize for LLVM 10
-
----
- src/rustllvm/PassWrapper.cpp | 6 +++++-
- 1 file changed, 5 insertions(+), 1 deletion(-)
-
-diff --git a/src/rustllvm/PassWrapper.cpp b/src/rustllvm/PassWrapper.cpp
-index 65071c3ed86e0..ebf4d4017a813 100644
---- a/src/rustllvm/PassWrapper.cpp
-+++ b/src/rustllvm/PassWrapper.cpp
-@@ -67,7 +67,11 @@ extern "C" void LLVMInitializePasses() {
- }
- 
- extern "C" void LLVMTimeTraceProfilerInitialize() {
--#if LLVM_VERSION_GE(9, 0)
-+#if LLVM_VERSION_GE(10, 0)
-+  timeTraceProfilerInitialize(
-+      /* TimeTraceGranularity */ 0,
-+      /* ProcName */ "rustc");
-+#elif LLVM_VERSION_GE(9, 0)
-   timeTraceProfilerInitialize();
- #endif
- }