Issue #2278977 by pcambra: Fixed Fields could be inside other structures such as profiles or fieldgroups.
Issue #2278973 by pcambra: Fixed Stop relying on the triggering element array for the remove button.
Issue #2278975 by pcambra: Fixed Only display the remove button when there are items in the field.
Fixed issue #1694786 by noneTaken: Conflict with field types that already comes with a remove button.
Reduced amount of code.
Switched #prefix with #field_prefix issue #1580306
Removed patch file.
Revert Reimplementation by user jide, issue #1492478
Reimplementation by user jide, issue #1492478
Fixed doc file description and minor grammar and pelling issues.
Fixed Ventral Review issues.
Emptied master branch.
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