fix: remove reference to removed code

Author: Hweinstock

packages/core/src/codewhisperer/activation.ts

@@ -83,7 +83,6 @@ import { CodeWhispererCommandBackend, CodeWhispererCommandDeclarations } from '.
 import { SecurityIssueHoverProvider } from './service/securityIssueHoverProvider'
 import { SecurityIssueCodeActionProvider } from './service/securityIssueCodeActionProvider'
 import { listCodeWhispererCommands } from './ui/statusBarMenu'
-import { updateUserProxyUrl } from './client/agent'
 import { Container } from './service/serviceContainer'
 import { debounceStartSecurityScan } from './commands/startSecurityScan'
 import { securityScanLanguageContext } from './util/securityScanLanguageContext'
@@ -201,10 +200,6 @@ export async function activate(context: ExtContext): Promise<void> {
                     })
             }
 
-            if (configurationChangeEvent.affectsConfiguration('http.proxy')) {
-                updateUserProxyUrl()
-            }
-
             if (configurationChangeEvent.affectsConfiguration('amazonQ.ignoredSecurityIssues')) {
                 const ignoredIssues = CodeWhispererSettings.instance.getIgnoredSecurityIssues()
                 toggleIssuesVisibility((issue) => !ignoredIssues.includes(issue.title))