[ivette] Removing the old Eva component

ivette/Makefile.distrib

ivette/headers/header_spec.txt

ivette/src/frama-c/plugins/eva/cells.ts

ivette/src/frama-c/plugins/eva/diffed.tsx

ivette/src/frama-c/plugins/eva/index.tsx

ivette/src/frama-c/plugins/eva/layout.ts

ivette/src/frama-c/plugins/eva/model.ts

ivette/src/frama-c/plugins/eva/probeinfos.tsx

ivette/src/frama-c/plugins/eva/probes.ts

ivette/src/frama-c/plugins/eva/sized.tsx

ivette/src/frama-c/plugins/eva/stacks.ts

ivette/src/frama-c/plugins/eva/state.tsx

ivette/src/frama-c/plugins/eva/valueinfos.tsx

ivette/src/frama-c/plugins/eva/valuetable.tsx