chore: increase the robustness of the uninstall script (#1704)

* chore: increase the robustness of the uninstall script

* Update uninstall_all.sh

Author: WilliamBergamin

scripts/uninstall_all.sh

@@ -1,4 +1,10 @@
 #!/bin/bash
 
-pip uninstall -y slack-sdk && \
-  pip freeze | grep -v "^-e" | sed 's/@.*//' | sed 's/\=\=.*//' | xargs pip uninstall -y
+# remove slack-sdk without a version specifier so that local builds are cleaned up
+pip uninstall -y slack-sdk
+# collect all installed packages
+PACKAGES=$(pip freeze | grep -v "^-e" | sed 's/@.*//' | sed 's/\=\=.*//')
+# uninstall packages without exiting on a failure 
+for package in $PACKAGES; do
+  pip uninstall -y $package
+done