strings.TrimSuffix
Returns a given string s without the provided trailing suffix string. If s doesn’t end with suffix, s is returned unchanged.
Syntax
strings.TrimSuffix SUFFIX STRING
Given the string "aabbaa", the specified suffix is only removed if "aabbaa" ends with it:
{{ strings.TrimSuffix "a" "aabbaa" }} → "aabba"
{{ strings.TrimSuffix "aa" "aabbaa" }} → "aabb"
{{ strings.TrimSuffix "aaa" "aabbaa" }} → "aabbaa"