tools: Remove micro-ecc support

Bug: 359924206
Change-Id: I72c08a3023e9c39b4163ef052cc0011285f5e387
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/experimental/+/258693
Reviewed-by: Anthony DiGirolamo <tonymd@google.com>
Commit-Queue: Auto-Submit <auto-submit@pigweed-service-accounts.iam.gserviceaccount.com>
Pigweed-Auto-Submit: Aaron Green <aarongreen@google.com>
Presubmit-Verified: CQ Bot Account <pigweed-scoped@luci-project-accounts.iam.gserviceaccount.com>
Lint: Lint 🤖 <android-build-ayeaye@system.gserviceaccount.com>
diff --git a/tools/pigweed_experimental_tools/experimental_packages.py b/tools/pigweed_experimental_tools/experimental_packages.py
index 74ba2a3..8fc4814 100644
--- a/tools/pigweed_experimental_tools/experimental_packages.py
+++ b/tools/pigweed_experimental_tools/experimental_packages.py
@@ -28,7 +28,6 @@
     freertos,
     googletest,
     mbedtls,
-    micro_ecc,
     nanopb,
     pico_sdk,
     picotool,