Revert change in ComposeContentEmitterReturningValues

Author: mrmans0n

rules/common/src/main/kotlin/io/nlopez/compose/rules/ComposeContentEmitterReturningValues.kt

@@ -22,9 +22,6 @@ class ComposeContentEmitterReturningValues : ComposeKtVisitor {
             // We don't want to analyze composables that are extension functions, as they might be things like
             // BoxScope which are legit, and we want to avoid false positives.
             .filter { it.hasBlockBody() }
-            // Same applies to context receivers: we could have a BoxScope/ColumnScope/RowScope and it'd be legit.
-            // We don't have a way to know for sure, so we'd better avoid the issue altogether.
-            .filter { it.contextReceivers.isEmpty() }
             // We want only methods with a body
             .filterNot { it.hasReceiverType }
             // Now we want to get the count of direct emitters in them: the composables we know for a fact that output UI