removed material-ui dependency

package-lock.json

package.json

src/extensions/rcsb/assembly-symmetry/ui.tsx

src/mol-plugin-ui/base.tsx

src/mol-plugin-ui/controls.tsx

src/mol-plugin-ui/controls/action-menu.tsx

src/mol-plugin-ui/controls/common.tsx

src/mol-plugin-ui/controls/icons.tsx

src/mol-plugin-ui/controls/parameters.tsx

src/mol-plugin-ui/custom/volume.tsx

src/mol-plugin-ui/left-panel.tsx

src/mol-plugin-ui/sequence.tsx

src/mol-plugin-ui/state/actions.tsx

src/mol-plugin-ui/state/animation.tsx

src/mol-plugin-ui/state/common.tsx

src/mol-plugin-ui/state/snapshots.tsx

src/mol-plugin-ui/state/tree.tsx

src/mol-plugin-ui/structure/components.tsx

src/mol-plugin-ui/structure/focus.tsx

src/mol-plugin-ui/structure/generic.tsx