LibVideo: Remove printing of the interpolation filter in VP9 dump_info

The interpolation filter value is not set when reading an intra-only
frame, so printing this for the first keyframe of the file was printing
"220", which is invalid.

Userland/Libraries/LibVideo/VP9/Parser.cpp

@@ -1396,7 +1396,6 @@ void Parser::dump_info()
     outln("Frame dimensions: {}x{}", m_frame_width, m_frame_height);
     outln("Render dimensions: {}x{}", m_render_width, m_render_height);
     outln("Bit depth: {}", m_bit_depth);
-    outln("Interpolation filter: {}", (u8)m_interpolation_filter);
 }
 
 }