github actions: trim macos diagnostics.

Something is failing, see if things have un-bitrotted since we
last ran.

.github/workflows/actions.yml

@@ -74,16 +74,6 @@ jobs:
           openssl version
           echo $PKG_CONFIG_PATH
           pkg-config --cflags --libs openssl
-          find /usr/local -name openssl.pc
-          brew link openssl
-          openssl version
-          pkg-config --cflags --libs openssl
-          brew install openssl@1.1
-          which openssl
-          openssl version
-          pkg-config --cflags --libs openssl
-        env:
-          PKG_CONFIG_PATH: /usr/local/opt/openssl@1.1/lib/pkgconfig
 
       - name: Build with Autotools
         if: startsWith(matrix.build-system,'autotools')