Remove target for PSP for now as long as it can't build

.gitlab-ci.yml

@@ -7,8 +7,6 @@ include:
   - template: Jobs/Code-Quality.gitlab-ci.yml
   - project: 'libretro-infrastructure/ci-templates'
     file: '/vita-static.yml'
-  - project: 'libretro-infrastructure/ci-templates'
-    file: '/psp-static.yml'
   - project: 'libretro-infrastructure/ci-templates'
     file: '/linux-x64.yml'
   - project: 'libretro-infrastructure/ci-templates'
@@ -59,8 +57,3 @@ libretro-build-vita:
   extends:
     - .core-defs
     - .libretro-vita-static-retroarch-master
-    
-libretro-build-psp:
-  extends:
-    - .core-defs
-    - .libretro-psp-static-retroarch-master