fix: remove IE checks and conditions

client/src/app/lineage/lineage.component.html

@@ -239,13 +239,7 @@
 
               <clr-dropdown-menu clrPosition="bottom-left" *clrIfOpen>
                 <div (click)="downloadSVG()" clrDropdownItem>SVG</div>
-                <div
-                  *ngIf="!helperService.isMicrosoft"
-                  (click)="downloadPNG()"
-                  clrDropdownItem
-                >
-                  PNG
-                </div>
+                <div (click)="downloadPNG()" clrDropdownItem>PNG</div>
                 <div (click)="downloadDot()" clrDropdownItem>Dot</div>
                 <div *ngIf="flatdata" (click)="downloadCSV()" clrDropdownItem>
                   CSV
@@ -366,13 +360,7 @@
 
         <clr-dropdown-menu clrPosition="bottom-left" *clrIfOpen>
           <div (click)="renderToDownload('SVG')" clrDropdownItem>SVG</div>
-          <div
-            *ngIf="!helperService.isMicrosoft"
-            (click)="renderToDownload('PNG')"
-            clrDropdownItem
-          >
-            PNG
-          </div>
+          <div (click)="renderToDownload('PNG')" clrDropdownItem>PNG</div>
           <div (click)="downloadDot(); cancelRenderingGraph()" clrDropdownItem>
             Dot
           </div>

client/src/app/services/helper.service.ts

@@ -11,12 +11,8 @@ const librariesToShow = 50
 export class HelperService {
   public shownLibraries: number = librariesToShow
   public loadMoreCount: number = librariesToShow
-  public isMicrosoft: boolean = false
 
-  constructor(private sasService: SasService) {
-    this.isMicrosoft = this.isIEorEDGE()
-    console.log('Is IE or Edge?', this.isMicrosoft)
-  }
+  constructor(private sasService: SasService) {}
 
   /**
    * Converts a JavaScript date object to a SAS Date or Datetime, given the logic below:
@@ -215,32 +211,6 @@ export class HelperService {
     })
   }
 
-  public isIEorEDGE() {
-    var ua = window.navigator.userAgent
-
-    var msie = ua.indexOf('MSIE ')
-    if (msie > 0) {
-      // IE 10 or older => return version number
-      return true
-    }
-
-    var trident = ua.indexOf('Trident/')
-    if (trident > 0) {
-      // IE 11 => return version number
-      var rv = ua.indexOf('rv:')
-      return true
-    }
-
-    var edge = ua.indexOf('Edge/')
-    if (edge > 0) {
-      // Edge (IE 12+) => return version number
-      return true
-    }
-
-    // other browser
-    return false
-  }
-
   public convertObjectsToArray(
     objectArray: Array<object>,
     deepClone: boolean = false