Implement deletion of shopping list items (#163)

* Disable unstable Gradle features

* Implement deletion of shopping list items

* Hide deleted items even before they're deleted

* Check/uncheck items locally while the BE is updated

gradle.properties

@@ -1,8 +1,6 @@
 org.gradle.jvmargs=-Xmx6g -XX:+HeapDumpOnOutOfMemoryError -Dfile.encoding=UTF-8 -XX:+UseParallelGC -XX:MaxMetaspaceSize=1g
-org.gradle.configureondemand=true
 org.gradle.parallel=true
 org.gradle.caching=true
-org.gradle.unsafe.configuration-cache=true
 android.useAndroidX=true
 android.enableJetifier=false
 kotlin.code.style=official