STYLE: Replace {}-initialization with `=` for variables declared by auto#5570

N-Dekker wants to merge 2 commits intoInsightSoftwareConsortium:change-initialziationInsightSoftwareConsortium/ITK:change-initialziationfrom

N-Dekker:Remove-brace-init-from-autoN-Dekker/ITK:Remove-brace-init-from-autoCopy head branch name to clipboard