fix(util): update ini parsing (#4125)
fix(util): update ini parsing (#4125)

* fix(util): update ini parsing

* fix(util): use indexOf instead of split

* fix(util): require non-empty for ini parse

* fix(util): update section parse to match v3
GlideMe/aws-sdk-js,GlideMe/aws-sdk-js,GlideMe/aws-sdk-js,aws/aws-sdk-js,aws/aws-sdk-js,aws/aws-sdk-js,aws/aws-sdk-js,GlideMe/aws-sdk-js