Revert "[nrf noup] ci: add .github/test-spec.yml"

This reverts commit dc1e8c4.

Signed-off-by: Thomas Stilwell <[email protected]>

Author: thst-nordic

.github/test-spec.yml

@@ -18,7 +18,6 @@
 # component or code. This file is going to be deprecated and currently only had
 # entries that are not covered by the MAINTAINERS file.
 
-/.github/test-spec.yml                    @nrfconnect/ncs-test-leads
 /soc/arm/aspeed/                          @aspeeddylan
 /soc/atmel/                               @nandojve
 /soc/arm/bcm*/                            @sbranden