release: appimage: Fix build script.

- Fix script now that its moved to packaging subdir.
- Tests aren't really necessary within the image,
  since "eris -i" checks eris and tools.

packaging/make-appimage.py

@@ -8,7 +8,7 @@ import sys
 import tempfile
 
 
-ERIS_PATH = os.path.realpath(os.path.dirname(__file__))
+ERIS_PATH = os.path.realpath(os.path.join(os.path.dirname(__file__), ".."))
 
 
 def cmd(command):
@@ -70,8 +70,6 @@ def make_ubuntu_base():
 def make_app_dir(app_dir, new_paths):
     os.mkdir(app_dir)
     make_sub_container("ubuntu", app_dir, new_paths)
-    cmd(f"cp -a {ERIS_PATH}/tests {app_dir}")
-    cmd(f"cp -a {ERIS_PATH}/test-all {app_dir}")
     cmd(f"cp {ERIS_PATH}/packaging/appimage/* {app_dir}")