Update theming-your-components.md

Removed unnecessary text.

Author: Bruno da Silva joão

docs/theming-your-components.md

@@ -3,7 +3,7 @@
 In order to style your own components with our tooling, the component's styles must be defined with Sass.
 
 You can consume the theming functions from the `@angular/material/core/theming/all-theme` and theming variables from a pre-built theme or a custom one. You can use the `map-get` function to extract the theming variables and `md-color` function to extract a specific color from a palette.
-For example, to theming a custom form input:
+For example:
 
 app/candy-carousel/candy-carousel-theme.scss