docs(): update usage and examples

core/src/components/back-button/back-button.tsx

@@ -20,16 +20,13 @@ export class BackButton {
   @Prop({ context: 'window' }) win!: Window;
 
   /**
-   * The color to use from your Sass `$colors` map.
-   * Default options are: `"primary"`, `"secondary"`, `"tertiary"`, `"success"`, `"warning"`, `"danger"`, `"light"`, `"medium"`, and `"dark"`.
-   * For more information, see [Theming your App](/docs/theming/theming-your-app).
+   * The color the button should be.
    */
   @Prop() color?: Color;
 
   /**
    * The mode determines which platform styles to use.
    * Possible values are: `"ios"` or `"md"`.
-   * For more information, see [Platform Styles](/docs/theming/platform-specific-styles).
    */
   @Prop() mode!: Mode;
 

core/src/components/back-button/readme.md

@@ -14,9 +14,7 @@ To change what is displayed in the back button, use the `text` and `icon` proper
 
 string
 
-The color to use from your Sass `$colors` map.
-Default options are: `"primary"`, `"secondary"`, `"tertiary"`, `"success"`, `"warning"`, `"danger"`, `"light"`, `"medium"`, and `"dark"`.
-For more information, see [Theming your App](/docs/theming/theming-your-app).
+The color the button should be.
 
 
 #### defaultHref
@@ -39,7 +37,6 @@ string
 
 The mode determines which platform styles to use.
 Possible values are: `"ios"` or `"md"`.
-For more information, see [Platform Styles](/docs/theming/platform-specific-styles).
 
 
 #### text
@@ -55,9 +52,7 @@ The text to display in the back button.
 
 string
 
-The color to use from your Sass `$colors` map.
-Default options are: `"primary"`, `"secondary"`, `"tertiary"`, `"success"`, `"warning"`, `"danger"`, `"light"`, `"medium"`, and `"dark"`.
-For more information, see [Theming your App](/docs/theming/theming-your-app).
+The color the button should be.
 
 
 #### default-href
@@ -80,7 +75,6 @@ string
 
 The mode determines which platform styles to use.
 Possible values are: `"ios"` or `"md"`.
-For more information, see [Platform Styles](/docs/theming/platform-specific-styles).
 
 
 #### text

core/src/components/back-button/usage/angular.md

@@ -21,7 +21,10 @@
 <ion-header>
   <ion-toolbar>
     <ion-buttons slot="start">
-      <ion-back-button text="Volver" icon="close"></ion-back-button>
+      <ion-back-button
+          [text]="buttonText"
+          [icon]="buttonIcon">
+      </ion-back-button>
     </ion-buttons>
   </ion-toolbar>
 </ion-header>