#3031 no need to silence deprecation warnings any more

setup.py

@@ -719,10 +719,6 @@ def add_tokens(s, extra="extra_link_args", extra_map={"-W" : "extra_compile_args
             eifd = []
         for eif in eifd:
             add_to_keywords(kw, 'extra_compile_args', eif)
-    if sys.version_info>=(3,7):
-        #we'll switch to the "new" buffer interface eventually
-        #until then, silence those deprecation warnings:
-        add_to_keywords(kw, 'extra_compile_args', "-Wno-error=deprecated-declarations")
     if PIC_ENABLED:
         add_to_keywords(kw, 'extra_compile_args', "-fPIC")
     if debug_ENABLED:
@@ -2296,8 +2292,6 @@ def get_nvcc_version(command):
     avcodec2_pkgconfig = pkgconfig("libavcodec", "libavutil", "libavformat")
     if get_gcc_version()>=[9, 0]:
         add_to_keywords(avcodec2_pkgconfig, 'extra_compile_args', "-Wno-error=attributes")
-    #workaround for ffmpeg 4.4:
-    add_to_keywords(avcodec2_pkgconfig, 'extra_compile_args', "-Wno-error=deprecated-declarations")
     cython_add(Extension("xpra.codecs.dec_avcodec2.decoder",
                 ["xpra/codecs/dec_avcodec2/decoder.pyx", "xpra/codecs/dec_avcodec2/register_compat.c"],
                 **avcodec2_pkgconfig))
@@ -2342,7 +2336,6 @@ def get_nvcc_version(command):
     ffmpeg_pkgconfig = pkgconfig("libavcodec", "libavformat", "libavutil")
     if get_gcc_version()>=[9, 0]:
         add_to_keywords(ffmpeg_pkgconfig, 'extra_compile_args', "-Wno-error=attributes")
-    add_to_keywords(ffmpeg_pkgconfig, 'extra_compile_args', "-Wno-error=deprecated-declarations")
     cython_add(Extension("xpra.codecs.enc_ffmpeg.encoder",
                 ["xpra/codecs/enc_ffmpeg/encoder.pyx"],
                 **ffmpeg_pkgconfig))