Change error boundary to upstream's (#2323)

app/javascript/flavours/glitch/styles/basics.scss

@@ -200,6 +200,7 @@ button {
   }
 }
 
+.error-boundary,
 .app-holder noscript {
   flex-direction: column;
   font-size: 16px;

app/javascript/flavours/glitch/styles/components/error_boundary.scss

@@ -1,30 +0,0 @@
-.error-boundary {
-  color: $primary-text-color;
-  font-size: 15px;
-  line-height: 20px;
-
-  h1 {
-    font-size: 26px;
-    line-height: 36px;
-    font-weight: 400;
-    margin-bottom: 8px;
-  }
-
-  a {
-    color: $primary-text-color;
-    text-decoration: underline;
-  }
-
-  ul {
-    list-style: disc;
-    margin-inline-start: 0;
-    padding-inline-start: 1em;
-  }
-
-  textarea.web_app_crash-stacktrace {
-    width: 100%;
-    resize: none;
-    white-space: pre;
-    font-family: $font-monospace, monospace;
-  }
-}

app/javascript/flavours/glitch/styles/components/index.scss

@@ -17,7 +17,6 @@
 @import 'lists';
 @import 'emoji_picker';
 @import 'local_settings';
-@import 'error_boundary';
 @import 'single_column';
 @import 'announcements';
 @import 'explore';