remove prepended Copy_ to copied files

apps/remix-ide/src/app/files/fileManager.ts

@@ -318,7 +318,7 @@ class FileManager extends Plugin {
       await this._handleExists(dest, `Cannot paste content into ${dest}. Path does not exist.`)
       await this._handleIsDir(dest, `Cannot paste content into ${dest}. Path is not directory.`)
       const content = await this.readFile(src)
-      let copiedFilePath = dest + (customName ? '/' + customName : '/' + `Copy_${helper.extractNameFromKey(src)}`)
+      let copiedFilePath = dest + (customName ? '/' + customName : '/' + `${helper.extractNameFromKey(src)}`)
       copiedFilePath = await helper.createNonClashingNameAsync(copiedFilePath, this)
 
       await this.writeFile(copiedFilePath, content)