openharmony-standard-image: Remove test related configurations

This removes the configurations needed for use with testimage.bbclass.  We will
provide a separate image for that instead.

Signed-off-by: Esben Haabendal <esben.haabendal@huawei.com>

recipes-openharmony/images/openharmony-standard-image.bb

@@ -10,13 +10,5 @@ LICENSE = "Apache-2.0"
 
 inherit core-image
 
-QEMU_USE_SLIRP = "1"
-
-# debug-tweaks provides password-less root account required by testimage
-EXTRA_IMAGE_FEATURES += "debug-tweaks"
-
-# ptest requires ptest-runner and sshd to be present in the image
-IMAGE_INSTALL += "sshd"
-
 # install OpenHarmony components and ptests
 IMAGE_INSTALL += "openharmony-standard-exes"