lav*,tests: remove several register_all calls

avdevice_register_all() is still required to register devices into
lavf (this is required due to lavd being somewhat of a hack).

Signed-off-by: Josh de Kock <josh@itanimul.li>

tests/api/api-band-test.c

@@ -214,8 +214,6 @@ int main(int argc, char **argv)
         return 1;
     }
 
-    av_register_all();
-
     if (video_decode(argv[1]) != 0)
         return 1;
 

tests/api/api-codec-param-test.c

@@ -231,8 +231,6 @@ int main(int argc, char* argv[])
     AVFormatContext *fmt_ctx = NULL;
     AVFormatContext *fmt_ctx_no_decode = NULL;
 
-    av_register_all();
-
     if (argc < 2) {
         av_log(NULL, AV_LOG_ERROR, "Usage: %s <input>\n", argv[0]);
         return -1;

tests/api/api-flac-test.c

@@ -245,8 +245,6 @@ int main(void)
     int sample_rates[] = {8000, 44100, 48000, 192000};
     int cl, sr;
 
-    avcodec_register_all();
-
     enc = avcodec_find_encoder(AV_CODEC_ID_FLAC);
     if (!enc) {
         av_log(NULL, AV_LOG_ERROR, "Can't find encoder\n");

tests/api/api-h264-test.c

@@ -158,8 +158,6 @@ int main(int argc, char **argv)
         return 1;
     }
 
-    av_register_all();
-
     if (video_decode_example(argv[1]) != 0)
         return 1;
 

tests/api/api-seek-test.c

@@ -279,8 +279,6 @@ int main(int argc, char **argv)
         return 1;
     }
 
-    av_register_all();
-
     if (seek_test(argv[1], argv[2], argv[3]) != 0)
         return 1;