ci: drop armv7l build

Author: HelloWRC

.github/workflows/build.yml

@@ -179,13 +179,6 @@ jobs:
             cmake_target_arch: x64
             lib_extension: ".so"
 
-          - os: ubuntu-22.04-arm
-            rid: linux-arm
-            platform: Linux
-            arch: armv7l
-            cmake_target_arch: arm
-            lib_extension: ".so"
-
           - os: ubuntu-22.04-arm
             rid: linux-arm64
             platform: Linux