ci: disable code coverage and blockchain integration tests

Author: notmandatory

.github/workflows/code_coverage.yml

@@ -13,6 +13,7 @@ name: Code Coverage
 jobs:
   Codecov:
     name: Code Coverage
+    if: false # disabled
     runs-on: ubuntu-latest
     env:
       RUSTFLAGS: "-Cinstrument-coverage"

.github/workflows/cont_integration.yml

@@ -99,6 +99,7 @@ jobs:
 
   test-blockchains:
     name: Blockchain ${{ matrix.blockchain.features }}
+    if: false # disabled
     runs-on: ubuntu-20.04
     strategy:
       fail-fast: false