Fixed Logging Panics

[joe-elliott]

The otelcol-builder panics when it hits the fixed log lines with this error:

2021-02-10T10:46:30.641-0500	DPANIC	[email protected]/zapr.go:133	odd number of arguments passed as key-value pairs for logging	{"ignored key": "invalid gomod specification for module, module: \"\""}
github.com/go-logr/zapr.handleFields
	github.com/go-logr/[email protected]/zapr.go:100
github.com/go-logr/zapr.(*zapLogger).Error
	github.com/go-logr/[email protected]/zapr.go:133
github.com/open-telemetry/opentelemetry-collector-builder/cmd.Execute.func1
	github.com/open-telemetry/opentelemetry-collector-builder/cmd/root.go:50
github.com/spf13/cobra.(*Command).execute
	github.com/spf13/[email protected]/command.go:842
github.com/spf13/cobra.(*Command).ExecuteC
	github.com/spf13/[email protected]/command.go:950
github.com/spf13/cobra.(*Command).Execute
	github.com/spf13/[email protected]/command.go:887
github.com/open-telemetry/opentelemetry-collector-builder/cmd.Execute
	github.com/open-telemetry/opentelemetry-collector-builder/cmd/root.go:76
main.main
	github.com/open-telemetry/opentelemetry-collector-builder/main.go:22
runtime.main
	runtime/proc.go:203
panic: odd number of arguments passed as key-value pairs for logging

[jpkrohling]

Thanks!