fixed syntax error

Signed-off-by: Elias Joseph <[email protected]>

Author: Elias Joseph

.github/workflows/pkgci_regression_test.yml

@@ -49,7 +49,6 @@ jobs:
             backend: rocm
             sku: mi300
             runs-on: linux-mi300-1gpu-ossci-iree-org
-            env:
           - name: amdgpu_rocm_mi308_gfx942
             rocm-chip: gfx942
             backend: rocm