gnutls, vmime: remove unnecessary -D flags

src/gnutls.mk

@@ -19,8 +19,6 @@ define $(PKG)_UPDATE
 endef
 
 define $(PKG)_BUILD
-    # AI_ADDRCONFIG referenced by src/serv.c but not provided by mingw.
-    # Value taken from https://msdn.microsoft.com/library/windows/desktop/ms737530
     cd '$(1)' && autoreconf -fi && ./configure \
         $(MXE_CONFIGURE_OPTS) \
         --disable-rpath \
@@ -33,7 +31,7 @@ define $(PKG)_BUILD
         --with-libregex-libs="-lgnurx" \
         --without-p11-kit \
         --disable-silent-rules \
-        CPPFLAGS='-DWINVER=0x0501 -DAI_ADDRCONFIG=0x0400 -DIPV6_V6ONLY=27' \
+        CPPFLAGS='-DWINVER=0x0501' \
         LIBS='-lws2_32' \
         ac_cv_prog_AR='$(TARGET)-ar'
     $(MAKE) -C '$(1)' -j '$(JOBS)' install

src/vmime.mk

@@ -18,7 +18,7 @@ define $(PKG)_BUILD
         -DCMAKE_RANLIB='$(PREFIX)/bin/$(TARGET)-ranlib' \
         -DVMIME_HAVE_MESSAGING_PROTO_SENDMAIL=False \
         -DVMIME_HAVE_MLANG_H=False \
-        -DCMAKE_CXX_FLAGS='-DWINVER=0x0501 -DAI_ADDRCONFIG=0x0400 -DIPV6_V6ONLY=27' \
+        -DCMAKE_CXX_FLAGS='-DWINVER=0x05' \
         -DVMIME_BUILD_STATIC_LIBRARY=$(CMAKE_STATIC_BOOL) \
         -DVMIME_BUILD_SHARED_LIBRARY=$(CMAKE_SHARED_BOOL) \
         -DVMIME_BUILD_SAMPLES=OFF \