Bug 1865234 - don't use undefined SHOW_SPINNER constant r=handyman

The constant will be introduced in D189578. Note that this code can't be triggered now anyway since we haven't landed the code to do content analysis for any interception points.

Differential Revision: https://phabricator.services.mozilla.com/D193959

Author: gregstoll

browser/components/contentanalysis/content/ContentAnalysis.sys.mjs

@@ -486,8 +486,7 @@ export const ContentAnalysis = {
         content: this._getResourceNameFromNameOrL10NId(aResourceNameOrL10NId),
       }),
       Ci.nsIPromptService.BUTTON_POS_0 *
-        Ci.nsIPromptService.BUTTON_TITLE_CANCEL +
-        Ci.nsIPromptService.SHOW_SPINNER,
+        Ci.nsIPromptService.BUTTON_TITLE_CANCEL,
       null,
       null,
       null,