fix: Avoid clobbering RUNNER_TOOL_PATH

A change was made to fix a long standing set of issues, relating to the
tool path that actions/python-versions historically used. However this
was fixed in
actions/python-versions@5815b5c and is
no longer required.

    Fixes actions#459

dist/setup/index.js

@@ -65276,17 +65276,7 @@ function resolveVersionInput() {
     return version;
 }
 function run() {
-    var _a;
     return __awaiter(this, void 0, void 0, function* () {
-        // According to the README windows binaries do not require to be installed
-        // in the specific location, but Mac and Linux do
-        if (!utils_1.IS_WINDOWS && !((_a = process.env.AGENT_TOOLSDIRECTORY) === null || _a === void 0 ? void 0 : _a.trim())) {
-            if (utils_1.IS_LINUX)
-                process.env['AGENT_TOOLSDIRECTORY'] = '/opt/hostedtoolcache';
-            else
-                process.env['AGENT_TOOLSDIRECTORY'] = '/Users/runner/hostedtoolcache';
-            process.env['RUNNER_TOOL_CACHE'] = process.env['AGENT_TOOLSDIRECTORY'];
-        }
         core.debug(`Python is expected to be installed into RUNNER_TOOL_CACHE=${process.env['RUNNER_TOOL_CACHE']}`);
         try {
             const version = resolveVersionInput();

src/setup-python.ts

@@ -5,7 +5,7 @@ import * as path from 'path';
 import * as os from 'os';
 import fs from 'fs';
 import {getCacheDistributor} from './cache-distributions/cache-factory';
-import {isCacheFeatureAvailable, IS_LINUX, IS_WINDOWS} from './utils';
+import {isCacheFeatureAvailable} from './utils';
 
 function isPyPyVersion(versionSpec: string) {
   return versionSpec.startsWith('pypy');
@@ -61,13 +61,6 @@ function resolveVersionInput(): string {
 }
 
 async function run() {
-  // According to the README windows binaries do not require to be installed
-  // in the specific location, but Mac and Linux do
-  if (!IS_WINDOWS && !process.env.AGENT_TOOLSDIRECTORY?.trim()) {
-    if (IS_LINUX) process.env['AGENT_TOOLSDIRECTORY'] = '/opt/hostedtoolcache';
-    else process.env['AGENT_TOOLSDIRECTORY'] = '/Users/runner/hostedtoolcache';
-    process.env['RUNNER_TOOL_CACHE'] = process.env['AGENT_TOOLSDIRECTORY'];
-  }
   core.debug(
     `Python is expected to be installed into RUNNER_TOOL_CACHE=${process.env['RUNNER_TOOL_CACHE']}`
   );