remove memory.x files for other stm32 examples

examples/stm32f7/build.rs

@@ -1,43 +1,5 @@
-//! adapted from https://github.com/stm32-rs/stm32f7xx-hal/blob/master/build.rs
-use std::fs::File;
-use std::io::prelude::*;
-use std::path::PathBuf;
-use std::{env, io};
-
-#[derive(Debug)]
-enum Error {
-    Env(env::VarError),
-    Io(io::Error),
-}
-
-impl From<env::VarError> for Error {
-    fn from(error: env::VarError) -> Self {
-        Self::Env(error)
-    }
-}
-
-impl From<io::Error> for Error {
-    fn from(error: io::Error) -> Self {
-        Self::Io(error)
-    }
-}
-
-fn main() -> Result<(), Error> {
-    println!("cargo:rerun-if-changed=build.rs");
-    println!("cargo:rerun-if-changed=memory.x");
-
-    let out_dir = env::var("OUT_DIR")?;
-    let out_dir = PathBuf::from(out_dir);
-
-    let memory_x = include_bytes!("memory.x").as_ref();
-    File::create(out_dir.join("memory.x"))?.write_all(memory_x)?;
-
-    // Tell Cargo where to find the file.
-    println!("cargo:rustc-link-search={}", out_dir.display());
-
+fn main() {
     println!("cargo:rustc-link-arg-bins=--nmagic");
     println!("cargo:rustc-link-arg-bins=-Tlink.x");
     println!("cargo:rustc-link-arg-bins=-Tdefmt.x");
-
-    Ok(())
 }