sys-libs/efivar: remove unused patch

Closes: https://github.com/gentoo/gentoo/pull/3914

sys-libs/efivar/files/0.22-flags.patch

@@ -1,41 +0,0 @@
-From 5bc17590cb096340fc695da3020883130437d745 Mon Sep 17 00:00:00 2001
-From: Mike Gilbert <floppym@gentoo.org>
-Date: Fri, 12 Feb 2016 13:22:13 -0500
-Subject: [PATCH] Make.defaults: Improve gcc/clang detection
-
-The old filter only matched "gcc" or "clang".
-
-The new findstring call matches any occurance of gcc or clang. This is
-useful when CC includes the full host tuple, like x86_64-pc-linux-gnu-gcc.
-
-Signed-off-by: Mike Gilbert <floppym@gentoo.org>
----
- Make.defaults | 8 ++++----
- 1 file changed, 4 insertions(+), 4 deletions(-)
-
-diff --git a/Make.defaults b/Make.defaults
-index bf814b8..5aed21e 100644
---- a/Make.defaults
-+++ b/Make.defaults
-@@ -25,14 +25,14 @@ PKGS	=
- clang_cflags =
- gcc_cflags = -specs=$(TOPDIR)/gcc.specs
- cflags	= $(CFLAGS) -I${TOPDIR}/src/include/efivar/ \
--	$(if $(filter $(CC),clang),$(clang_cflags),) \
--	$(if $(filter $(CC),gcc),$(gcc_cflags),) \
-+	$(if $(findstring clang,$(CC)),$(clang_cflags),) \
-+	$(if $(findstring gcc,$(CC)),$(gcc_cflags),) \
- 	$(call pkg-config-cflags)
- clang_ccldflags =
- gcc_ccldflags =
- ccldflags = $(cflags) $(CCLDFLAGS) $(LDFLAGS) \
--	$(if $(filter $(CCLD),clang),$(clang_ccldflags),) \
--	$(if $(filter $(CCLD),gcc),$(gcc_ccldflags),) \
-+	$(if $(findstring clang,$(CCLD)),$(clang_ccldflags),) \
-+	$(if $(findstring gcc,$(CCLD)),$(gcc_ccldflags),) \
- 	$(call pkg-config-ccldflags)
- SOFLAGS=-shared
- LDLIBS=$(foreach lib,$(LIBS),-l$(lib)) $(call pkg-config-ldlibs)
--- 
-2.7.1
-