docs: remove pointless Since: 0.10.x markers
diff --git a/ext/lame/gstlamemp3enc.c b/ext/lame/gstlamemp3enc.c
index a4a637a..a824c5c 100644
--- a/ext/lame/gstlamemp3enc.c
+++ b/ext/lame/gstlamemp3enc.c
@@ -56,8 +56,6 @@
  * gst-launch-1.0 -v audiotestsrc num-buffers=10 ! audio/x-raw,rate=44100,channels=1 ! lamemp3enc target=bitrate cbr=true bitrate=48 ! filesink location=test.mp3
  * ]| Encode to a fixed sample rate
  * </refsect2>
- *
- * Since: 0.10.12
  */
 
 #ifdef HAVE_CONFIG_H
diff --git a/gst/flv/gstindex.c b/gst/flv/gstindex.c
index 26d7fa3..d64a38a 100644
--- a/gst/flv/gstindex.c
+++ b/gst/flv/gstindex.c
@@ -511,7 +511,6 @@
  * Lets the app register a custom function to map index
  * ids to writer descriptions.
  *
- * Since: 0.10.18
  */
 void
 gst_index_set_resolver_full (GstIndex * index, GstIndexResolver resolver,
diff --git a/sys/v4l2/gstv4l2src.c b/sys/v4l2/gstv4l2src.c
index 552e0d6..aba4496 100644
--- a/sys/v4l2/gstv4l2src.c
+++ b/sys/v4l2/gstv4l2src.c
@@ -158,8 +158,6 @@
    * happen prior to the format being set.
    * This is mostly useful for UVC H264 encoding cameras which need the H264
    * Probe & Commit to happen prior to the normal Probe & Commit.
-   *
-   * Since: 0.10.32
    */
   gst_v4l2_signals[SIGNAL_PRE_SET_FORMAT] = g_signal_new ("prepare-format",
       G_TYPE_FROM_CLASS (klass),