remove now useless __WATCOMC__ macro check

Author: jmalak

wolfssl/wolfcrypt/visibility.h

@@ -59,7 +59,7 @@
         #endif
         #define WOLFSSL_LOCAL
     #elif defined(_MSC_VER) || defined(__MINGW32__) || defined(__CYGWIN__) || \
-        defined(_WIN32_WCE) || defined(__WATCOMC__)
+        defined(_WIN32_WCE)
         #if defined(WOLFSSL_DLL)
             #define WOLFSSL_API __declspec(dllimport)
         #else