chore: remove some unused code and types

Reported as warnings by ESLint, so clean them up.

src/cli/commands/test/formatters/legacy-format-issue.ts

@@ -32,11 +32,6 @@ export function formatIssues(
     }),
   ).join(', ');
 
-  let version;
-  if (vuln.metadata.packageManager.toLowerCase() === 'upstream') {
-    version = vuln.metadata.version;
-  }
-
   const vulnOutput = {
     issueHeading: createSeverityBasedIssueHeading(
       vuln.metadata.severity,

src/cli/commands/test/formatters/remediation-based-format-issues.ts

@@ -1,5 +1,4 @@
 import chalk from 'chalk';
-import * as wrap from 'wrap-ansi';
 import * as config from '../../../../lib/config';
 import { TestOptions } from '../../../../lib/types';
 import {

src/lib/project-metadata/target-builders/git.ts

@@ -1,4 +1,3 @@
-import fs = require('fs');
 import gitUrlParse = require('git-url-parse');
 
 import subProcess = require('../../sub-process');

src/lib/request/types.ts

@@ -1,4 +1,4 @@
-import { IncomingHttpHeaders, OutgoingHttpHeaders } from 'http';
+import { OutgoingHttpHeaders } from 'http';
 import { NeedleHttpVerbs } from 'needle';
 
 export interface Payload {