CLN: remove evalcontextfilter usage

[klauer]

• evalcontextfilter was deprecated in JInja2 and removed in 3.1
• We used this to wrap our filters but didn't use the context, so I've just removed such references
• Templates still working during local testing with Jinja2 3.1:

pytmc/tests/test_commandline.py::test_template_basic[/Users/klauer/Repos/pytmc/pytmc/tests/projects/lcls-plc-kfe-motion/plc-kfe-motion/plc-kfe-motion.tsproj] PASSED [ 15%]
pytmc/tests/test_commandline.py::test_template_basic[/Users/klauer/Repos/pytmc/pytmc/tests/projects/lcls-plc-kfe-gmd-vac-ext-io/plc/plc-kfe-gmd-vac/plc-kfe-gmd-vac.tsproj] PASSED [ 23%]
pytmc/tests/test_commandline.py::test_template_basic[/Users/klauer/Repos/pytmc/pytmc/tests/projects/lcls-plc-kfe-xgmd-vac/plc/plc-kfe-xgmd-vac/plc_kfe_xgmd_vac.tsproj] PASSED [ 30%]
pytmc/tests/test_commandline.py::test_template_basic[/Users/klauer/Repos/pytmc/pytmc/tests/projects/lcls-twincat-pmps/lcls-twincat-pmps/lcls-twincat-pmps.tsproj] PASSED [ 38%]