Remove unneeded "./" prefix affecting error messages

Before:

    error[E0599]: no method named `initialize_finish` found for struct `lsp_server::Connection` in the current scope
      --> crates/rust-analyzer/./src/bin/main.rs:99:16
       |
    99 |     connection.initialize_finish(initialize_id, initialize_result)?;
       |                ^^^^^^^^^^^^^^^^^ method not found in `lsp_server::Connection`

After:

    error[E0599]: no method named `initialize_finish` found for struct `lsp_server::Connection` in the current scope
      --> crates/rust-analyzer/src/bin/main.rs:99:16
       |
    99 |     connection.initialize_finish(initialize_id, initialize_result)?;
       |                ^^^^^^^^^^^^^^^^^ method not found in `lsp_server::Connection`

1 files changed, 1 insertions, 1 deletions

diff --git a/crates/rust-analyzer/Cargo.toml b/crates/rust-analyzer/Cargo.toml
index 65b487db3..bf8ca9e7d 100644
--- a/crates/rust-analyzer/Cargo.toml
+++ b/crates/rust-analyzer/Cargo.toml
@@ -10,7 +10,7 @@ doctest = false
 
 [[bin]]
 name = "rust-analyzer"
-path = "./src/bin/main.rs"
+path = "src/bin/main.rs"
 
 [dependencies]
 anyhow = "1.0.26"