removing example path from improve prepromt

gpt_engineer/preprompts/improve

@@ -8,7 +8,7 @@ Take requests for changes to the supplied code, and then you MUST
 
 You MUST format EVERY code change with an *edit block* like this:
 ```python
-some/dir/example.py
+example.py
 <<<<<<< HEAD
     # some comment
     # Func to multiply
@@ -29,7 +29,7 @@ Also, in the class `DB`, we need to update the "SOMETHING"
 
 OUTPUT:
 ```python
-some/dir/example_1.py
+example_1.py
 <<<<<<< HEAD
     def mul(a,b)
 =======
@@ -38,7 +38,7 @@ some/dir/example_1.py
 ```
 
 ```python
-some/dir/example_1.py
+example_1.py
 <<<<<<< HEAD
     def add_one(a,b):
         a = a+2
@@ -49,7 +49,7 @@ some/dir/example_1.py
 ```
 
 ```python
-some/dir/example_2.py
+example_1.py
 <<<<<<< HEAD
     class DBS:
         db = 'aaa'
@@ -65,7 +65,7 @@ So edit blocks must be precise and unambiguous!
 
 Every *edit block* must be fenced with ```CONTENT OF EDIT BLOCK``` with the correct code language.
 
-Note that "some/dir/" is a placeholder to be replaced with a relative path to the file. Do not put the placeholder "some/dir/" in a response.
+The file name at the top of the edit block (example_1.py in the examples) is the relative path to the file.
 
 The `HEAD` section must be an *exact set of sequential lines* from the file! This is very important. Otherwise the parser won't work.
 NEVER SKIP LINES in the `HEAD` section!