dev-libs/lsbcrypt: fix build failure

- remove broken patch
- fix hardcoded ar/gcc

Closes: https://bugs.gentoo.org/909547
Closes: https://bugs.gentoo.org/909726
Closes: https://bugs.gentoo.org/910097
Signed-off-by: Takuya Wakazono <pastalian46@gmail.com>

dev-libs/lsbcrypt/files/1.0.0-fix-flags-directry.patch

@@ -1,14 +0,0 @@
-I am attempting to fix the following bugs.
-https://bugs.gentoo.org/909726
-diff --git a/Makefile b/Makefile
-index 03ebfa5..bed7d39 100644
---- a/Makefile
-+++ b/Makefile
-@@ -1,5 +1,5 @@
--CC = gcc
--CFLAGS = $(shell grep '^CFLAGS = ' crypt_blowfish/Makefile | cut -d= -f2-)
-+#CC = gcc
-+#CFLAGS = $(shell grep '^CFLAGS = ' crypt_blowfish/Makefile | cut -d= -f2-)
- .PHONY: crypt_blowfish
- 
- all: bcrypt.a