Remove unused prop

src/components/sound-editor/sound-editor.jsx

@@ -324,7 +324,6 @@ SoundEditor.propTypes = {
     chunkLevels: PropTypes.arrayOf(PropTypes.number).isRequired,
     intl: intlShape,
     name: PropTypes.string.isRequired,
-    onActivateTrim: PropTypes.func.isRequired,
     onChangeName: PropTypes.func.isRequired,
     onContainerClick: PropTypes.func.isRequired,
     onCopy: PropTypes.func.isRequired,

src/containers/sound-editor.jsx

@@ -396,7 +396,6 @@ class SoundEditor extends React.Component {
                 setRef={this.setRef}
                 trimEnd={this.state.trimEnd}
                 trimStart={this.state.trimStart}
-                onActivateTrim={this.handleDelete}
                 onChangeName={this.handleChangeName}
                 onContainerClick={this.handleContainerClick}
                 onCopy={this.handleCopy}