typescript: updated tslint and fixed new warnings

public/app/features/annotations/editor_ctrl.ts

@@ -69,7 +69,7 @@ export class AnnotationsEditorCtrl {
     this.reset();
     this.mode = 'list';
     this.$scope.broadcastRefresh();
-  };
+  }
 
   add() {
     this.annotations.push(this.currentAnnotation);
@@ -77,7 +77,7 @@ export class AnnotationsEditorCtrl {
     this.mode = 'list';
     this.$scope.broadcastRefresh();
     this.$scope.dashboard.updateSubmenuVisibility();
-  };
+  }
 
   removeAnnotation(annotation) {
     var index = _.indexOf(this.annotations, annotation);

public/app/features/dashboard/row/row_ctrl.ts

@@ -216,7 +216,6 @@ coreModule.directive('panelDropZone', function($timeout) {
       }
 
       if (indrag === true) {
-        var dropZoneSpan = 12 - row.span;
         if (dropZoneSpan > 1) {
           return showPanel(dropZoneSpan, 'Drop Here');
         }

public/app/features/dashboard/time_srv.ts

@@ -60,7 +60,7 @@ class TimeSrv {
     if (_.isString(this.time.to) && this.time.to.indexOf('Z') >= 0) {
       this.time.to = moment(this.time.to).utc();
     }
-  };
+  }
 
   private parseUrlParam(value) {
     if (value.indexOf('now') !== -1) {
@@ -92,7 +92,7 @@ class TimeSrv {
     if (params.refresh) {
       this.refresh = params.refresh || this.refresh;
     }
-  };
+  }
 
   private routeUpdated() {
     var params = this.$location.search();
@@ -154,7 +154,7 @@ class TimeSrv {
 
   private cancelNextRefresh() {
     this.timer.cancel(this.refreshTimer);
-  };
+  }
 
   setTime(time, fromRouteUpdate?) {
     _.extend(this.time, time);

public/app/features/panel/metrics_panel_ctrl.ts

@@ -136,7 +136,7 @@ class MetricsPanelCtrl extends PanelCtrl {
     this.calculateInterval();
 
     return this.datasource;
-  };
+  }
 
   calculateInterval() {
     var intervalOverride = this.panel.interval;
@@ -194,7 +194,7 @@ class MetricsPanelCtrl extends PanelCtrl {
     if (this.panel.hideTimeOverride) {
       this.timeInfo = '';
     }
-  };
+  }
 
   issueQueries(datasource) {
     this.datasource = datasource;

public/app/features/playlist/playlist_edit_ctrl.ts

@@ -74,7 +74,7 @@ export class PlaylistEditCtrl {
       return playlistItem === listedPlaylistItem;
     });
     this.filterFoundPlaylistItems();
-  };
+  }
 
   savePlaylist(playlist, playlistItems) {
     var savePromise;

public/app/features/plugins/ds_edit_ctrl.ts

@@ -154,7 +154,7 @@ export class DataSourceEditCtrl {
           this.$location.path('datasources/edit/' + result.id);
         });
       }
-    };
+    }
 
     confirmDelete() {
       this.backendSrv.delete('/api/datasources/' + this.current.id).then(() => {

public/app/features/templating/all.ts

@@ -17,4 +17,4 @@ export {
   CustomVariable,
   ConstantVariable,
   AdhocVariable,
-}
+};