[CI] Stop supporting `native-` test labels

These have been superceded by `rv-` and `norv-` labels.

Addresses: #26

.gitlab-ci.yml

@@ -339,10 +339,10 @@ test-native-norv-debug:
     PACXX_DEFAULT_RT: 1 # native
     PACXX_DISABLE_RV: 1 # disable region vectorizer
   script:
-  - ctest -j$(nproc) -LE '^(native|norv)-debug-(known-failure|slow)$' --output-on-failure
-  - ctest -j$(nproc) -L '^(native|norv)-debug-known-failure$' --output-on-failure || true
+  - ctest -j$(nproc) -LE '^norv-debug-(known-failure|slow)$' --output-on-failure
+  - ctest -j$(nproc) -L '^norv-debug-known-failure$' --output-on-failure || true
   - ": The following tests were skipped because they are known to be slow"
-  - ctest -N -L '^(native|norv)-debug-slow$'
+  - ctest -N -L '^norv-debug-slow$'
 
 test-native-norv-release:
   <<: *test
@@ -356,8 +356,8 @@ test-native-norv-release:
     PACXX_DEFAULT_RT: 1 # native
     PACXX_DISABLE_RV: 1 # disable region vectorizer
   script:
-  - ctest -j$(nproc) -LE '^(native|norv)-release-known-failure$' --output-on-failure
-  - ctest -j$(nproc) -L '^(native|norv)-release-known-failure$' --output-on-failure || true
+  - ctest -j$(nproc) -LE '^norv-release-known-failure$' --output-on-failure
+  - ctest -j$(nproc) -L '^norv-release-known-failure$' --output-on-failure || true
 
 test-native-rv-debug:
   <<: *test
@@ -370,10 +370,10 @@ test-native-rv-debug:
   variables:
     PACXX_DEFAULT_RT: 1 # native
   script:
-  - ctest -j$(nproc) -LE '^(native|rv)-debug-(known-failure|slow)$' --output-on-failure
-  - ctest -j$(nproc) -L '^(native|rv)-debug-known-failure$' --output-on-failure || true
+  - ctest -j$(nproc) -LE '^rv-debug-(known-failure|slow)$' --output-on-failure
+  - ctest -j$(nproc) -L '^rv-debug-known-failure$' --output-on-failure || true
   - ": The following tests were skipped because they are known to be slow"
-  - ctest -N -L '^(native|rv)-debug-slow$'
+  - ctest -N -L '^rv-debug-slow$'
 
 test-native-rv-release:
   <<: *test
@@ -386,8 +386,8 @@ test-native-rv-release:
   variables:
     PACXX_DEFAULT_RT: 1 # native
   script:
-  - ctest -j$(nproc) -LE '^(native|rv)-release-known-failure$' --output-on-failure
-  - ctest -j$(nproc) -L '^(native|rv)-release-known-failure$' --output-on-failure || true
+  - ctest -j$(nproc) -LE '^rv-release-known-failure$' --output-on-failure
+  - ctest -j$(nproc) -L '^rv-release-known-failure$' --output-on-failure || true
 
 test-cuda-debug:
   <<: *test