remove apps upload api in favor of sftp container api

src/apps.js

@@ -93,7 +93,6 @@ exports = module.exports = {
     listEventlog,
 
     downloadFile,
-    uploadFile,
 
     writeConfig,
     loadConfig,
@@ -2888,32 +2887,6 @@ async function downloadFile(app, filePath) {
     return { stream: stdoutStream, filename, size };
 }
 
-async function uploadFile(app, sourceFilePath, destFilePath) {
-    assert.strictEqual(typeof app, 'object');
-    assert.strictEqual(typeof sourceFilePath, 'string');
-    assert.strictEqual(typeof destFilePath, 'string');
-
-    // the built-in bash printf understands "%q" but not /usr/bin/printf.
-    // ' gets replaced with '\'' . the first closes the quote and last one starts a new one
-    const escapedDestFilePath = await shell.exec('uploadFile', `printf %q '${destFilePath.replace(/'/g, '\'\\\'\'')}'`, { shell: '/bin/bash' });
-    debug(`uploadFile: ${sourceFilePath} -> ${escapedDestFilePath}`);
-
-    const execId = await createExec(app, { cmd: [ 'bash', '-c', `cat - > ${escapedDestFilePath}` ], tty: false });
-    const destStream = await startExec(app, execId, { tty: false });
-
-    return new Promise((resolve, reject) => {
-        const done = once(error => reject(new BoxError(BoxError.FS_ERROR, error.message)));
-
-        const sourceStream = fs.createReadStream(sourceFilePath);
-        sourceStream.on('error', done);
-        destStream.on('error', done);
-
-        destStream.on('finish', resolve);
-
-        sourceStream.pipe(destStream);
-    });
-}
-
 async function writeConfig(app) {
     assert.strictEqual(typeof app, 'object');