refactor: clean up after bump dsp-js (#628)

package.json

@@ -33,7 +33,7 @@
     "@angular/platform-browser-dynamic": "^12.2.14",
     "@angular/router": "^12.2.14",
     "@ckeditor/ckeditor5-angular": "^2.0.2",
-    "@dasch-swiss/dsp-js": "^5.1.0",
+    "@dasch-swiss/dsp-js": "^6.0.0",
     "@datadog/browser-rum": "^3.7.0",
     "@ngx-translate/core": "^12.1.2",
     "@ngx-translate/http-loader": "5.0.0",
@@ -43,7 +43,6 @@
     "core-js": "^3.19.1",
     "d3": "^5.15.1",
     "d3-force-3d": "^2.1.0",
-    "dat.gui": "^0.7.7",
     "jdnconvertiblecalendar": "^0.0.7",
     "jdnconvertiblecalendardateadapter": "^0.0.17",
     "json2typescript": "^1.0.6",

src/app/project/board/board.component.ts

@@ -1,17 +1,12 @@
-import { Component, Inject, OnInit } from '@angular/core';
+import { Component, OnInit } from '@angular/core';
 import { MatDialog, MatDialogConfig } from '@angular/material/dialog';
-import { MatRadioChange } from '@angular/material/radio';
 import { MatSnackBar } from '@angular/material/snack-bar';
 import { Title } from '@angular/platform-browser';
 import { ActivatedRoute, Params } from '@angular/router';
 import {
     ApiResponseError,
-    Dataset,
-    KnoraApiConnection, ProjectsMetadata,
-    ReadProject,
-    SingleProject
+    ReadProject
 } from '@dasch-swiss/dsp-js';
-import { DspApiConnectionToken } from 'src/app/main/declarations/dsp-api-tokens';
 import { DialogComponent } from 'src/app/main/dialog/dialog.component';
 import { ErrorHandlerService } from 'src/app/main/error/error-handler.service';
 import { Session, SessionService } from 'src/app/main/services/session.service';
@@ -48,7 +43,6 @@ export class BoardComponent implements OnInit {
     color = 'primary';
 
     constructor(
-        @Inject(DspApiConnectionToken) private _dspApiConnection: KnoraApiConnection,
         private _cache: CacheService,
         private _errorHandler: ErrorHandlerService,
         private _session: SessionService,