Remove unused definition: HAVE_SNPRINTF

CMakeLists.txt

diff --git a/CMakeLists.txt b/CMakeLists.txt
index b556efc..085c4b4 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -108,7 +108,6 @@
 check_function_exists(getprogname HAVE_GETPROGNAME)
 check_function_exists(localtime_r HAVE_LOCALTIME_R)
 check_function_exists(setmode HAVE_SETMODE)
-check_function_exists(snprintf HAVE_SNPRINTF)
 check_function_exists(strcasecmp HAVE_STRCASECMP)
 check_function_exists(strdup HAVE_STRDUP)
 check_function_exists(stricmp HAVE_STRICMP)

cmake-config.h.in

diff --git a/cmake-config.h.in b/cmake-config.h.in
index 544adbd..b234acb 100644
--- a/cmake-config.h.in
+++ b/cmake-config.h.in
@@ -36,7 +36,6 @@
 #cmakedefine HAVE_NULLABLE
 #cmakedefine HAVE_OPENSSL
 #cmakedefine HAVE_SETMODE
-#cmakedefine HAVE_SNPRINTF
 #cmakedefine HAVE_STRCASECMP
 #cmakedefine HAVE_STRDUP
 #cmakedefine HAVE_STRICMP

developer-xcode/config.h

diff --git a/developer-xcode/config.h b/developer-xcode/config.h
index 0de2e90..a89b2fe 100644
--- a/developer-xcode/config.h
+++ b/developer-xcode/config.h
@@ -38,7 +38,6 @@
 #define HAVE_OPEN
 /* #undef HAVE_OPENSSL */
 #define HAVE_SETMODE
-#define HAVE_SNPRINTF
 #define HAVE_SSIZE_T_LIBZIP
 #define HAVE_STRCASECMP
 #define HAVE_STRDUP