feat(languages): updated to official languages texts

Author: Ismaestro

src/app/core/nav/nav.component.html

@@ -12,19 +12,19 @@
             <button mat-menu-item (click)="changeLanguage('en')">
                 <mat-icon>flag</mat-icon>
                 <span>
-                {{ 'english' | translate }}
+                English
             </span>
             </button>
             <button mat-menu-item (click)="changeLanguage('es')">
                 <mat-icon>flag</mat-icon>
                 <span>
-                {{ 'spanish' | translate }}
+                Español
             </span>
             </button>
             <button mat-menu-item (click)="changeLanguage('pt-br')">
                 <mat-icon>flag</mat-icon>
                 <span>
-                {{ 'portuguese' | translate }}
+                Português
             </span>
             </button>
         </mat-menu>

src/assets/i18n/en.json

@@ -3,9 +3,6 @@
   "heroesList": "Heroes list",
   "angularExampleApp": "Angular Example App",
   "language": "Language",
-  "english": "English",
-  "spanish": "Spanish",
-  "portuguese": "Portuguese",
   "orange": "Orange",
   "yellow": "Yellow",
   "cyan": "Cyan",

src/assets/i18n/es.json

@@ -3,9 +3,6 @@
   "heroesList": "Lista de heroes",
   "angularExampleApp": "Angular aplicación de ejemplo",
   "language": "Idioma",
-  "english": "Inglés",
-  "spanish": "Español",
-  "portuguese": "Portugués",
   "orange": "Naranja",
   "yellow": "Amarillo",
   "cyan": "Cian",

src/assets/i18n/pt-br.json

@@ -3,9 +3,6 @@
   "heroesList": "Lista de heróis",
   "angularExampleApp": "Aplicação exemplo de angular",
   "language": "Idioma",
-  "english": "Inglês",
-  "spanish": "Espanhol",
-  "portuguese": "Português",
   "orange": "Laranja",
   "yellow": "Amarelo",
   "cyan": "Ciano",