[O] Remove unnecessary courses prop

src/components/app/app.vue

@@ -3,19 +3,13 @@
         <div id="app-inner" v-if="staticPage === ''" :class="{dark: darkMode}">
             <login v-if="showLogin" v-on:login:user="onLogin"/>
             <navigation v-if="user != null"
-                        :courses="gradedCourses"
-                        :user="user"
-                        :nav="nav"
+                        :app="this" :user="user" :nav="nav"
                         @sign-out="signOut" @select-time="selectTime">
             </navigation>
 
             <div id="app-content" v-if="assignmentsReady && loading === ''">
-                <overall v-if="nav.id === 'overall'"
-                         :courses="gradedCourses">
-                </overall>
-                <course-page v-if="nav.id === 'course'"
-                             :course="gradedCourses.find(c => +c.id === +nav.info.id)">
-                </course-page>
+                <overall v-if="nav.id === 'overall'" :courses="gradedCourses"></overall>
+                <course-page v-if="nav.id === 'course'" :course="gradedCourses.find(c => +c.id === +nav.info.id)"></course-page>
             </div>
 
             <loading v-if="loading !== ''" :text="loading" :error="loadingError"/>

src/components/navigation/navigation.ts

@@ -13,7 +13,6 @@ export default class Navigation extends Vue
 {
     @Prop({required: true}) app: App;
     @Prop({required: true}) nav: NavController;
-    @Prop({required: true}) courses: Course[];
     @Prop({required: true}) user: LoginUser;
 
     private gradingPeriod: string = 'All Year';
@@ -93,10 +92,10 @@ export default class Navigation extends Vue
     findCourse(courseId: string, indexOffset: number)
     {
         // Find current course index
-        let courseIndex = this.courses.findIndex(c => c.id == +courseId);
+        let courseIndex = this.app.gradedCourses.findIndex(c => c.id == +courseId);
 
         // Find next course
-        return this.courses[courseIndex + indexOffset];
+        return this.app.gradedCourses[courseIndex + indexOffset];
     }
 
     /**

src/components/navigation/navigation.vue

@@ -13,7 +13,7 @@
 
             <el-submenu index="">
                 <template slot="title">Courses</template>
-                <el-menu-item v-for="course in courses"
+                <el-menu-item v-for="course in app.gradedCourses"
                               :index="JSON.stringify(course.urlIndex)"
                               :key="course.id">{{course.name}}</el-menu-item>
             </el-submenu>