Remove SMUS patch logics from Dockerfile

A follow-up to #631

Author: aws-tianquaw

template/v2/Dockerfile

@@ -172,9 +172,7 @@ RUN if [[ -z $ARG_BASED_ENV_IN_FILENAME ]] ; \
     sed -i 's="Spark"="SparkMagic Spark"=g'  /opt/conda/share/jupyter/kernels/sparkkernel/kernel.json && \
     sed -i 's="PySpark"="SparkMagic PySpark"=g'  /opt/conda/share/jupyter/kernels/pysparkkernel/kernel.json && \
     # Configure RTC - disable jupyter_collaboration by default
-    jupyter labextension disable @jupyter/collaboration-extension && \
-    /etc/patches/apply_patches.sh && \
-    sudo rm -rf /etc/patches
+    jupyter labextension disable @jupyter/collaboration-extension
 
 # Patch glue kernels to use kernel wrapper
 COPY patch_glue_pyspark.json /opt/conda/share/jupyter/kernels/glue_pyspark/kernel.json