[restore plugins support]

Author: kinke

.github/workflows/main.yml

@@ -288,7 +288,6 @@ jobs:
             android_x86_arch: i686
             extra_cmake_flags: >-
               -DLDC_INSTALL_LLVM_RUNTIME_LIBS_ARCH=arm-android
-              -DLDC_ENABLE_PLUGINS=OFF
 
           - job_name: Android aarch64
             host_os: ubuntu-22.04
@@ -297,7 +296,6 @@ jobs:
             android_x86_arch: x86_64
             extra_cmake_flags: >-
               -DLDC_INSTALL_LLVM_RUNTIME_LIBS_ARCH=aarch64-android
-              -DLDC_ENABLE_PLUGINS=OFF
 
     name: ${{ matrix.job_name }}
     runs-on: ${{ matrix.host_os }}