Remove not used code which had a buffer overread (#629)

Removes not used `FilePath.init?(Data)` which had a buffer overread. It
used `String(cString:)` which reads until `\0`, but `Data` is not
null-terminated.

Author: dkovba

Sources/ContainerizationEXT4/FilePath+Extensions.swift

@@ -53,22 +53,6 @@ extension FilePath {
         self.init(url.path(percentEncoded: false))
     }
 
-    public init?(_ data: Data) {
-        let cstr: String? = data.withUnsafeBytes { (rbp: UnsafeRawBufferPointer) in
-            guard let baseAddress = rbp.baseAddress else {
-                return nil
-            }
-
-            let cString = baseAddress.bindMemory(to: CChar.self, capacity: data.count)
-            return String(cString: cString)
-        }
-
-        guard let cstr else {
-            return nil
-        }
-        self.init(cstr)
-    }
-
     public func join(_ path: FilePath) -> FilePath {
         self.pushing(path)
     }

Tests/ContainerizationEXT4Tests/TestFormatterUnpack.swift

@@ -138,7 +138,8 @@ struct Tar2EXT4Test: ~Copyable {
 
         let specialFileInode = try ext4.getInode(number: 20)
         let bytes = Data(Mirror(reflecting: specialFileInode.block).children.compactMap { $0.value as? UInt8 })
-        let specialFileTarget = try #require(FilePath(bytes), "Could not parse special file path")
+        let targetString = try #require(String(data: bytes, encoding: .utf8), "Could not parse special file path")
+        let specialFileTarget = FilePath(targetString)
         #expect(specialFileTarget.description.hasPrefix("special_ĩ"))
     }
 }