chore(riscv-rt): remove outdated abort comment in link.x.in

See: f652ef5

Author: gibbz00

riscv-rt/link.x.in

@@ -93,7 +93,7 @@ SECTIONS
     . = ALIGN(4);
     *(.trap);
     *(.trap.rust);
-    *(.text.abort); /* close to .init section to support j abort */
+    *(.text.abort);
     *(.text .text.*);
 
     . = ALIGN(4);