Remove default run

Cargo.toml

@@ -3,7 +3,6 @@ name = "rustlings"
 version = "4.6.0"
 authors = ["anastasie <ana@ana.st>", "Carol (Nichols || Goulding) <carol.nichols@gmail.com>"]
 edition = "2021"
-default-run = "rustlings"
 
 [dependencies]
 argh = "0.1.4"

src/fix_rust_analyzer.rs

@@ -32,6 +32,15 @@ impl RustAnalyzerProject {
         }
     }
 
+    /// Write rust-project.json to disk
+    pub fn write_to_disk(&self) -> Result<(), std::io::Error> {
+        std::fs::write(
+            "./rust-project.json",
+            serde_json::to_vec(&self).expect("Failed to serialize to JSON"),
+        )?;
+        Ok(())
+    }
+
     /// If path contains .rs extension, add a crate to `rust-project.json`
     fn path_to_json(&mut self, path: String) {
         if let Some((_, ext)) = path.split_once(".") {
@@ -45,15 +54,6 @@ impl RustAnalyzerProject {
         }
     }
 
-    /// Write rust-project.json to disk
-    pub fn write_to_disk(&self) -> Result<(), std::io::Error> {
-        std::fs::write(
-            "./rust-project.json",
-            serde_json::to_vec(&self).expect("Failed to serialize to JSON"),
-        )?;
-        Ok(())
-    }
-
     /// Parse the exercises folder for .rs files, any matches will create
     /// a new `crate` in rust-project.json which allows rust-analyzer to
     /// treat it like a normal binary