repititious "general..."

Author: dhalbert

_includes/download/board.html

@@ -243,7 +243,7 @@ <h3>Install, Repair, or Update UF2 Bootloader</h3>
     (<strong>FTHRS2BOOT</strong>, <strong>MAGTAGBOOT</strong>, <strong>HOUSEBOOT</strong>, etc.)
   </p>
   <p>
-    In general, it is not in general necessary to update TinyUF2 at every version change.
+    In general, it is not necessary to update TinyUF2 at every version change.
     You can read the <a href="https://github.com/adafruit/tinyuf2/releases">release notes on GitHub</a> to see what has been changed.
     Update if you've been told about a necessary change or a bug fix.
   </p>