Fix doc

README.md

@@ -16,7 +16,6 @@ sudo apt install build-essential python3-pip clang
 curl https://sh.rustup.rs -sSf | bash -s -- -y
 pip3 install --user pandas plotnine
 
-git submodule update --init --recursive
 cargo build --release
 
 # To run a single map data structure benchmark (see later sections for details),
@@ -28,7 +27,7 @@ cargo build --release
 
 ## Getting Started Guide
 
-To run the benchmark suite, we recommend using an x86-64 machine with Ubuntu 22.04 installed. Specifically, we have tested and evaluated the benchmark with the following environment:
+We recommend the following environment:
 
 * OS: Ubuntu 22.04
 * Architecture: x86-64
@@ -104,7 +103,6 @@ curl https://sh.rustup.rs -sSf | bash -s -- -y
 After installing the necessary dependencies properly, build the benchmark binaries with the following command:
 
 ```bash
-git submodule update --init --recursive
 cargo build --release
 ```