remove range does not support non-primary index

[haroldvandy2013]

can easily reproduce this from UT, both impacting inmemory and db provider

the root cause here is because removeInternal() is actually only accepting primary keys

because the mergedData is keyed by primary key

[eliranek1]

Another report:
Pull Request 1253226: Debug - InMemoryProvider bug

And explanation:
https://microsoft-my.sharepoint-df.com/:v:/p/dbertholet/Ed8fY7mD3BtHtSPRnWY5e1YB7dym2AumW6hKFQO8tZusPQ?e=heyCqY&nav=eyJyZWZlcnJhbEluZm8iOnsicmVmZXJyYWxBcHAiOiJTdHJlYW1XZWJBcHAiLCJyZWZlcnJhbFZpZXciOiJTaGFyZURpYWxvZy1MaW5rIiwicmVmZXJyYWxBcHBQbGF0Zm9ybSI6IldlYiIsInJlZmVycmFsTW9kZSI6InZpZXcifX0%3D