remove asserts as discussed in #57

index.bs

@@ -255,7 +255,7 @@ As defined in [[!AV1]], an [=AV1 coded video sequence=] consists of one or more
 
 Consequently, <assert>for each frame with <code>[=show_frame=] = 1</code> or <code>[=show_existing_frame=] = 1</code>, there shall be one and only one [=HDR10+ metadata OBU=] preceding the [=Frame Header OBU=] for this frame and located after the last [=OBU=] of the previous frame (if any) or after the [=Sequence Header OBU=] (if any) or after the start of the [=temporal unit=]</assert> (e.g. after the [=Temporal Delimiter OBU=], for storage formats where [=Temporal Delimiter OBUs=] are preserved).
 
-<assert>[=HDR10+ Metadata OBUs=] are not provided when <code>[=show_frame=] = 0</code></assert>. <assert>For non-layered streams, there is only one [=HDR10+ Metadata OBU=] per [=temporal unit=]</assert>. For [[!AV1]] bitstreams encoded with multiple layers, [=HDR10+ Metadata=] may apply to one or more layers. However, the details are out of scope of this version of the specification.
+[=HDR10+ Metadata OBUs=] are not provided when <code>[=show_frame=] = 0</code>. For non-layered streams, there is only one [=HDR10+ Metadata OBU=] per [=temporal unit=]. For [[!AV1]] bitstreams encoded with multiple layers, [=HDR10+ Metadata=] may apply to one or more layers. However, the details are out of scope of this version of the specification.
 
 Figure 2 shows a simplified example of placement of [=HDR10+ Metadata OBUs=] in an AV1 bitstream.