Remove unused functions from evsev2g

[MarzellT]

Describe your changes

During the team week we noticed a couple of functions being unused. We removed those with this pull request.

Issue ticket number and link

Checklist before requesting a review

• I have performed a self-review of my code
• I have made corresponding changes to the documentation
• I read the contribution documentation and made sure that my changes meet its requirements

[SebaLukas]

👍
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[SebaLukas]

@barsnick @FaHaGit I think this is okay, if these unused functions will be removed?

[james-ctc]

looks good to me.

[barsnick]

Checking this now.

I also have another removal of an unused variable in my stash:

diff --git a/modules/EvseV2G/charger/ISO15118_chargerImpl.cpp b/modules/EvseV2G/charger/ISO15118_chargerImpl.cpp
index a1ca7637..966fcf9c 100644
--- a/modules/EvseV2G/charger/ISO15118_chargerImpl.cpp
+++ b/modules/EvseV2G/charger/ISO15118_chargerImpl.cpp
@@ -54,8 +54,6 @@ void ISO15118_chargerImpl::init() {
 
     v2g_ctx->network_read_timeout_tls = mod->config.tls_timeout;
 
-    v2g_ctx->certs_path = mod->info.paths.etc / CERTS_SUB_DIR;
-
     /* Configure if the contract certificate chain should be verified locally */
     v2g_ctx->session.verify_contract_cert_chain = mod->config.verify_contract_cert_chain;
 
diff --git a/modules/EvseV2G/v2g.hpp b/modules/EvseV2G/v2g.hpp
index 9b69a097..718d4b91 100644
--- a/modules/EvseV2G/v2g.hpp
+++ b/modules/EvseV2G/v2g.hpp
@@ -198,7 +198,6 @@ struct v2g_context {
     struct sockaddr_in6* local_tcp_addr;
     struct sockaddr_in6* local_tls_addr;
 
-    std::string certs_path;
     std::string tls_key_logging_path;
 
     uint32_t network_read_timeout;     /* in milli seconds */