Revert "Allow static and shared libs to be mixed."

[dougch]

Reverts #3467

Submodule path 'crt/s2n/tests/cbmc/aws-verification-model-for-libcrypto': checked out '1287c9b722dd35a2c41f90582e23c39812a6dae1'
+ rm -r aws-crt-cpp/crt/s2n
+ mv s2n aws-crt-cpp/crt/
+ cmake ./aws-crt-cpp -Bbuild -GNinja -DBUILD_DEPS=ON -DCMAKE_BUILD_TYPE=Release -DCMAKE_INSTALL_PREFIX=/tmp/tmp.gl7X3ZB5jS
cmake: relocation error: /usr/lib/x86_64-linux-gnu/libcurl.so.4: symbol EVP_PKEY_get0_DSA version OPENSSL_1_1_0 not defined in file libcrypto.so.1.1 with link time reference

[Container] 2022/09/09 23:40:30 Command did not exit successfully $CB_BIN_DIR/s2n_codebuild.sh exit status 127
[Container] 2022/09/09 23:40:30 Phase complete: BUILD State: FAILED
[Container] 2022/09/09 23:40:30 Phase context status code: COMMAND_EXECUTION_ERROR Message: Error while executing command: $CB_BIN_DIR/s2n_codebuild.sh. Reason: exit status 127
[Container] 2022/09/09 23:40:30 Entering phase POST_BUILD