botan3: remove code for macOS < 11

pkgs/development/libraries/botan/botan3-macos.patch

@@ -1,48 +0,0 @@
-diff --git a/src/lib/prov/commoncrypto/commoncrypto_block.cpp b/src/lib/prov/commoncrypto/commoncrypto_block.cpp
-index a07fe118d..f059ee497 100644
---- a/src/lib/prov/commoncrypto/commoncrypto_block.cpp
-+++ b/src/lib/prov/commoncrypto/commoncrypto_block.cpp
-@@ -11,6 +11,7 @@
- #include <botan/hex.h>
- #include <botan/internal/commoncrypto_utils.h>
- 
-+#include <CommonCrypto/CommonCryptoError.h>
- #include <CommonCrypto/CommonCrypto.h>
- 
- namespace Botan {
-diff --git a/src/lib/prov/commoncrypto/commoncrypto_hash.cpp b/src/lib/prov/commoncrypto/commoncrypto_hash.cpp
-index 1fb79c419..faf9575c2 100644
---- a/src/lib/prov/commoncrypto/commoncrypto_hash.cpp
-+++ b/src/lib/prov/commoncrypto/commoncrypto_hash.cpp
-@@ -11,6 +11,7 @@
- #include <botan/internal/stl_util.h>
- #include <unordered_map>
- 
-+#include <CommonCrypto/CommonCryptoError.h>
- #include <CommonCrypto/CommonCrypto.h>
- 
- namespace Botan {
-diff --git a/src/lib/prov/commoncrypto/commoncrypto_utils.h b/src/lib/prov/commoncrypto/commoncrypto_utils.h
-index b1c7411fd..9becab2d1 100644
---- a/src/lib/prov/commoncrypto/commoncrypto_utils.h
-+++ b/src/lib/prov/commoncrypto/commoncrypto_utils.h
-@@ -10,6 +10,7 @@
- 
- #include <botan/sym_algo.h>
- 
-+#include <CommonCrypto/CommonCryptoError.h>
- #include <CommonCrypto/CommonCrypto.h>
- 
- namespace Botan {
-diff --git a/src/lib/rng/system_rng/system_rng.cpp b/src/lib/rng/system_rng/system_rng.cpp
-index b2f7b4c45..f4933b1e3 100644
---- a/src/lib/rng/system_rng/system_rng.cpp
-+++ b/src/lib/rng/system_rng/system_rng.cpp
-@@ -20,6 +20,7 @@
-    #include <bcrypt.h>
-    #include <windows.h>
- #elif defined(BOTAN_TARGET_OS_HAS_CCRANDOM)
-+   #include <CommonCrypto/CommonCryptoError.h>
-    #include <CommonCrypto/CommonRandom.h>
- #elif defined(BOTAN_TARGET_OS_HAS_ARC4RANDOM)
-    #include <stdlib.h>

pkgs/development/libraries/botan/default.nix

@@ -124,8 +124,6 @@ in
   botan3 = common {
     version = "3.6.1";
     hash = "sha256-fLhXXYjSMsdxdHadf54ku0REQWBYWYbuvWbnScuakIk=";
-    # this patch fixes build errors on MacOS with SDK 10.12, recheck to remove this again
-    patches = lib.optionals stdenv.hostPlatform.isDarwin [ ./botan3-macos.patch ];
   };
 
   botan2 = common {