internal/cm: remove go.mod file

Author: ydnar

GNUmakefile

@@ -277,7 +277,7 @@ wasi-syscall: wasi-cm
 .PHONY: wasi-cm
 wasi-cm:
 	rm -rf ./src/internal/cm/*
-	rsync -rv --delete --exclude '*_test.go' --exclude '*.md' --exclude LICENSE $(shell go list -modfile ./internal/wasm-tools/go.mod -m -f {{.Dir}} $(WASM_TOOLS_MODULE)/cm)/ ./src/internal/cm
+	rsync -rv --delete --exclude go.mod --exclude '*_test.go' --exclude '*.md' --exclude LICENSE $(shell go list -modfile ./internal/wasm-tools/go.mod -m -f {{.Dir}} $(WASM_TOOLS_MODULE)/cm)/ ./src/internal/cm
 
 # Check for Node.js used during WASM tests.
 NODEJS_VERSION := $(word 1,$(subst ., ,$(shell node -v | cut -c 2-)))