fix(ion-fixed): ion-fixed directive is not longer needed

Author: manucorporat

src/components/fixed/fixed.ts

@@ -12,7 +12,6 @@ import { Chip } from './components/chip/chip';
 import { Content } from './components/content/content';
 import { DateTime } from './components/datetime/datetime';
 import { FabContainer, FabButton, FabList } from './components/fab/fab';
-import { Fixed } from './components/fixed/fixed';
 import { Grid, Row, Col } from './components/grid/grid';
 import { Icon } from './components/icon/icon';
 import { Img } from './components/img/img';
@@ -81,7 +80,6 @@ export { Chip } from './components/chip/chip';
 export { Content } from './components/content/content';
 export { DateTime } from './components/datetime/datetime';
 export { FabContainer, FabButton, FabList } from './components/fab/fab';
-export { Fixed } from './components/fixed/fixed';
 export { Grid, Row, Col } from './components/grid/grid';
 export { Icon } from './components/icon/icon';
 export { Img } from './components/img/img';
@@ -176,7 +174,6 @@ export const IONIC_DIRECTIVES: any[] = [
   FabContainer,
   FabButton,
   FabList,
-  Fixed,
   Footer,
   Grid,
   Header,