remove debian/patches/D99501-ignore-lto-auto.diff as it is now applied upstream

debian/changelog

@@ -4,7 +4,6 @@ llvm-toolchain-snapshot (1:13~++20210403031832+89afec348dbd-1~exp1) UNRELEASED;
   * New snapshot release
   * "run-clang-tidy" install it
   * Only enable libomp-13-doc on supported archs
-  * Cherry-pick https://reviews.llvm.org/D99501 to allow -flto=auto
   * Verify that /proc is mounted. It makes some unexpected issues when
     building from a chroot without /proc
   * Fix the __config_site include issue

debian/patches/D99501-ignore-lto-auto.diff

@@ -1,31 +0,0 @@
-Index: llvm-toolchain-snapshot_13~++20210330090254+142d522dedbb/clang/include/clang/Driver/Driver.h
-===================================================================
---- llvm-toolchain-snapshot_13~++20210330090254+142d522dedbb.orig/clang/include/clang/Driver/Driver.h
-+++ llvm-toolchain-snapshot_13~++20210330090254+142d522dedbb/clang/include/clang/Driver/Driver.h
-@@ -51,7 +51,8 @@ enum LTOKind {
-   LTOK_None,
-   LTOK_Full,
-   LTOK_Thin,
--  LTOK_Unknown
-+  LTOK_Unknown,
-+  LTOK_Ignored
- };
- 
- /// Driver - Encapsulate logic for constructing compilation processes
-Index: llvm-toolchain-snapshot_13~++20210330090254+142d522dedbb/clang/lib/Driver/Driver.cpp
-===================================================================
---- llvm-toolchain-snapshot_13~++20210330090254+142d522dedbb.orig/clang/lib/Driver/Driver.cpp
-+++ llvm-toolchain-snapshot_13~++20210330090254+142d522dedbb/clang/lib/Driver/Driver.cpp
-@@ -610,9 +610,12 @@ void Driver::setLTOMode(const llvm::opt:
-   LTOMode = llvm::StringSwitch<LTOKind>(LTOName)
-                 .Case("full", LTOK_Full)
-                 .Case("thin", LTOK_Thin)
-+                .Case("auto", LTOK_Ignored)
-+                .Case("jobserver", LTOK_Ignored)
-                 .Default(LTOK_Unknown);
- 
-   if (LTOMode == LTOK_Unknown) {
-+    // FIXME: check if argument is a number, then ignore, or handle it
-     assert(A);
-     Diag(diag::err_drv_unsupported_option_argument) << A->getOption().getName()
-                                                     << A->getValue();

debian/patches/series

@@ -145,5 +145,4 @@ print-lldb-path.patch
 libcxx-armhf-ftbfs.diff
 lld-use-link-atomic-i386.diff
 lower-python-dep.diff
-D99501-ignore-lto-auto.diff
 revert-D95727-causes-49818.diff