Remove deprecated; plus aesthetic fix

ql/src/experimental/Unsafe/WrongUsageOfUnsafe.qhelp

@@ -43,4 +43,4 @@
 	<a href="https://dev.to/jlauinger/exploitation-exercise-with-unsafe-pointer-in-go-information-leak-part-1-1kga">Exploitation Exercise with unsafe.Pointer in Go: Information Leak (Part 1)</a>.
 </li>
 </references>
-</qhelp>
+</qhelp>

ql/src/experimental/Unsafe/WrongUsageOfUnsafe.ql

@@ -87,7 +87,6 @@ predicate castShortArrayToLongerArray(
             (arrTo.getLength() - arrFromSize) + " bytes)"
       )
     ) and
-    arrTo.getLength() > 0 and //TODO
     arrTo.getLength() > arrFromSize
   )
 }