zenno/doc/frbm: delete jbc sprint

Fixes #46.

zenno/src/routes/doc/frbm/+page.svelte

@@ -1143,22 +1143,14 @@
 		>. (This race is why I made it.)
 	</p>
 
-	<Sec h={3} id="jbc-sprint">JBC Sprint (Ooi ver.)</Sec>
-	<p>
-		An even more anti-front track is Ooi 1200 Dirt. This one is actively malicious. Visually, it looks like late race starts on a
-		corner, but the portion before the stretch is a special <i>neither corner nor straight</i> property. That means Angling won't activate,
-		and VPP is delayed (though still within the accel period).
-	</p>
-	<p>
-		Fortunately, JBC Sprint is after summer, which means you should be able to stat diff your opponents. If you are planning to
-		win this race, you may want to prioritize a bit of extra speed training, or take Front Straights/Corners. If MANT, don't be
-		too surprised if you lose a clock or five to a Taiki Shuttle rival.
-	</p>
-	<p>
-		Since the 1 Jul update, the JBC races take place at a randomly selected one of the NAR courses (Ooi, Kawasaki, Funabashi,
-		Morioka) each year. If you're hunting for a completionist title on a front runner, you have the option of just not picking an
-		Ooi JBC Sprint; the others are all Angling tracks.
-	</p>
+	<div id="jbc-sprint" class="hidden target:block">
+		<h3>JBC Sprint</h3>
+		<p>
+			It used to be the case that Oi 1200 Dirt had a strange neither-straight-nor-corner segment at the start of late race so that
+			Angling wouldn't activate. As of the 1 Jul update, the corner is now connected to the final straight, so there is no longer
+			anything remarkable about this track.
+		</p>
+	</div>
 
 	<Sec h={3} id="3k">Kikuka Sho &amp; Tenno Sho (Spring)</Sec>
 	<p>