remove pointless internal_error term

Author: alexmojaki

core/translation.py

@@ -403,8 +403,6 @@ class Terms:
 
     no_more_test_inputs = "No more test inputs - solution should have finished by now"
 
-    internal_error = "Internal error"
-
     syntax_error_at_line = "at line"
 
 

core/utils.py

@@ -294,7 +294,7 @@ def internal_error_result(e: Exception):
     return dict(
         error=dict(
             details=safe_traceback(e),
-            title=f"{t.Terms.internal_error}: {truncate_string(exception_string, 100)}",
+            title=f"{truncate_string(exception_string, 100)}",
             sentry_event=get_exception_event(),
         ),
     )

translations/english.po

@@ -20009,9 +20009,6 @@ msgstr "With your code in the editor, click the `snoop` button."
 msgid "misc_terms.incorrect_mode"
 msgstr "The code is correct, but you didn't run it as instructed."
 
-msgid "misc_terms.internal_error"
-msgstr "Internal error"
-
 msgid "misc_terms.invalid_inputs"
 msgstr "The values of your input variables are invalid, try using values like the example."