gitlab-ci.yml: streamline builds matrix

drop ppc32 builds
drop multi builds

Signed-off-by: Armin Kuster <akuster808@gmail.com>

kas/qemuarm64-multi.yml

@@ -1,12 +0,0 @@
-header:
-  version: 8
-  includes:
-    - kas-security-base.yml
-
-local_conf_header:
-  multi: |
-    require conf/multilib.conf
-    MULTILIBS = "multilib:lib32"
-    DEFAULTTUNE_virtclass-multilib-lib32 = "armv7athf-neon"
-
-machine: qemuarm64

kas/qemuppc-parsec.yml

@@ -1,6 +0,0 @@
-header:
-  version: 8
-  includes:
-    - kas-security-parsec.yml
-
-machine: qemuppc

kas/qemuppc.yml

@@ -1,6 +0,0 @@
-header:
-  version: 8
-  includes:
-    - kas-security-base.yml
-
-machine: qemuppc

kas/qemux86-64-multi.yml

@@ -1,12 +0,0 @@
-header:
-  version: 8
-  includes:
-    - kas-security-base.yml
-
-local_conf_header:
-  multi: |
-    require conf/multilib.conf
-    MULTILIBS = "multilib:lib32"
-    DEFAULTTUNE_virtclass-multilib-lib32 = "x86"
-
-machine: qemux86-64