opendoas: remove bison patch

No longer needed as of 3.8.1.

extra/opendoas/build

@@ -1,7 +1,5 @@
 #!/bin/sh -e
 
-patch -p1 < bison-3.8.patch
-
 BINOWN="$(id -u)" \
 BINGRP="$(id -g)" \
 ./configure \

extra/opendoas/checksums

@@ -1,3 +1,2 @@
 c9070ae745d0f1bbe68ef0783a3958cd011b409959f65fd100e6b42b8ad6b162
 846a251c646e61329086eda6abde26329f5a358d5eeab1a0f075db36e5997687
-28e74db164d001820ed295573f14610b76282ed15fee5fb819058949419ea860

extra/opendoas/patches/bison-3.8.patch

@@ -1,13 +0,0 @@
-diff --git a/parse.y b/parse.y
-index 388c2a5..65fda3d 100644
---- a/parse.y
-+++ b/parse.y
-@@ -57,6 +57,8 @@ static size_t maxrules;
- 
- int parse_errors = 0;
- 
-+#define yyerror yyerror
-+#define yylex yylex
- static void yyerror(const char *, ...);
- static int yylex(void);
- 

extra/opendoas/sources

@@ -1,3 +1,2 @@
 https://github.com/Duncaen/OpenDoas/archive/vVERSION.tar.gz
 files/doas.conf
-patches/bison-3.8.patch