Drop container name length check

src/validate.zig

@@ -1,16 +1,13 @@
 const std = @import("std");
 const ascii = std.ascii;
 
-pub const NamingError = error{ Empty, IllegalChar, TooLong };
+pub const NamingError = error{ Empty, IllegalChar };
 
 pub fn validateDockerContainerName(name: []const u8, error_index: *usize) !void {
     // [a-zA-Z0-9][a-zA-Z0-9_.-]
     if (name.len == 0) {
         return NamingError.Empty;
     }
-    if (name.len > 30) {
-        return NamingError.TooLong;
-    }
 
     if (!ascii.isAlphanumeric(name[0])) {
         error_index.* = 0;