Remove deprecated instructions for installing dependencies

Author: szarnyasg

README.md

@@ -38,7 +38,7 @@ You can build the JAR with both Maven and SBT.
 
     :warning: When using SBT, change the path of the JAR file in the instructions provided in the README (`target/ldbc_snb_datagen_${PLATFORM_VERSION}-${DATAGEN_VERSION}.jar` -> `./target/scala-2.11/ldbc_snb_datagen-assembly-${DATAGEN_VERSION}.jar`).
 
-### Install tools
+### Install Python tools
 
 Some of the build utilities are written in Python. To use them, you have to create a Python virtual environment
 and install the dependencies.

tools/emr/README.md

@@ -24,19 +24,8 @@ In AWS IAM, add the following roles with **Create Role** | **AWS service** | **E
 
 ## Install the required libraries
 
-Make sure you use pip 21.1 or newer.
+Install the required libraries as described in the [main README](../../README.md#install-python-tools).
 
-1. From `tools`, run:
-
-```
-pip install -e .
-```
-
-1. Package the JAR. Make sure you use Java 8:
-
-```bash
-./tools/build.sh
-```
 ## Submitting a job
 
 1. Upload the JAR to S3. (We don't version the JARs yet, so you can only make sure that you run the intended code this way :( )