Update install_espeak_ng.sh

install_espeak_ng.sh

@@ -1,5 +1,3 @@
-pip install -U pip
-pip install gradio==3.42.0
 (
   rm -rf espeak
   mkdir -p espeak
@@ -13,6 +11,5 @@ pip install gradio==3.42.0
   make install
 )
 # build bazel too
-rm wavegru_mod.so
 USE_BAZEL_VERSION=5.0.0 ./bazelisk-linux-amd64 build wavegru_mod -c opt --copt=-march=native
 cp -f bazel-bin/wavegru_mod.so .