Revert changing generated file names based on parameters

It should be handled by a packaging script, not a build script.

build.rs

@@ -55,16 +55,11 @@ fn template(
 fn main() -> Result<(), Box<dyn Error>> {
     let variables = init_template();
 
-    template(
-        &variables,
-        "assets/manual/bat.1.in",
-        &format!("assets/manual/{}.1", EXECUTABLE_NAME.to_owned()),
-    )?;
-
+    template(&variables, "assets/manual/bat.1.in", "assets/manual/bat.1")?;
     template(
         &variables,
         "assets/completions/bat.fish.in",
-        &format!("assets/completions/{}.fish", EXECUTABLE_NAME.to_owned()),
+        "assets/completions/bat.fish",
     )?;
 
     Ok(())