Build: Remove plugin references

.github/workflows/linux-workflow.yml

@@ -47,19 +47,19 @@ jobs:
             # Need to disable PCH until cmake 3.17
             # (PCH conflicts with ccache, fixed by https://gitlab.kitware.com/cmake/cmake/-/merge_requests/4400)
             cmakeflags: -DCMAKE_DISABLE_PRECOMPILE_HEADERS=ON
-            detail: nopch
+            detail: -nopch
             experimental: false
           - os: ubuntu-18.04
             platform: x86
             compiler: gcc
             cmakeflags: -DCMAKE_DISABLE_PRECOMPILE_HEADERS=ON
-            detail: nopch
+            detail: -nopch
             experimental: false
           - os: ubuntu-18.04
             platform: x86
             compiler: gcc
             cmakeflags: -DCMAKE_DISABLE_PRECOMPILE_HEADERS=ON -DARCH_FLAG=-march=haswell
-            detail: avx2 nopch
+            detail: -avx2-nopch
             experimental: false
 
     name: "${{ matrix.platform }} | ${{ matrix.compiler }} ${{ matrix.detail }}"