Remove references to unused variable in Manager.vue

The value is never changed, so the two buttons were always hidden.
Based on the attribute name, it's unlikely the buttons need to be
hidden anyway.

src/pages/Manager.vue

@@ -57,8 +57,7 @@
 				</p>
 			</template>
 			<template v-slot:footer>
-				<button v-if="dependencyListDisplayType === 'view'" class="button is-info"
-				        @click="closeSteamInstallationValidationModal()">
+				<button class="button is-info" @click="closeSteamInstallationValidationModal()">
 					I understand
 				</button>
 			</template>
@@ -126,7 +125,7 @@
 				</p>
 			</template>
 			<template v-slot:footer>
-				<button v-if="dependencyListDisplayType === 'view'" class="button is-info" @click="exportCode = ''">
+				<button class="button is-info" @click="exportCode = ''">
 					Done
 				</button>
 			</template>
@@ -155,7 +154,6 @@ import { LogSeverity } from '../providers/ror2/logging/LoggerProvider';
 
 import Profile from '../model/Profile';
 import VersionNumber from '../model/VersionNumber';
-import DependencyListDisplayType from '../model/enums/DependencyListDisplayType';
 import R2Error from '../model/errors/R2Error';
 import ManifestV2 from '../model/ManifestV2';
 import ManagerSettings from '../r2mm/manager/ManagerSettings';
@@ -192,7 +190,6 @@ import ModalCard from '../components/ModalCard.vue';
 		}
 	})
 	export default class Manager extends Vue {
-		dependencyListDisplayType: string = DependencyListDisplayType.DISABLE;
 		portableUpdateAvailable: boolean = false;
 		updateTagName: string = '';
 		isValidatingSteamInstallation: boolean = false;