replace triple gdb breakpoint continue with a double breakpoint ignore in hopes of improving parsing

wally-pipelined/linux-testgen/testvector-generation/gdbinit_qemulog

@@ -3,9 +3,9 @@ target extended-remote :1236
 file ../buildroot-image-output/vmlinux
 stepi 1000
 b do_idle
+ignore 1 2
 c
-c
-c
+# using 3 continues didn't work because the first breakpoint hit causes a pipe break error
 set confirm off
 kill
 q