Remove unnecessary reification from Kotlin R2DBC extensions.

This allows calling the extensions from generic code that has erased types.

Original pull request #1496

spring-data-r2dbc/src/main/kotlin/org/springframework/data/r2dbc/core/ReactiveInsertOperationExtensions.kt

@@ -21,6 +21,7 @@ import kotlinx.coroutines.reactive.awaitSingle
  * Extensions for [ReactiveInsertOperation].
  *
  * @author Mark Paluch
+ * @author Oleg Oshmyan
  * @since 1.1
  */
 
@@ -33,5 +34,5 @@ inline fun <reified T : Any> ReactiveInsertOperation.insert(): ReactiveInsertOpe
 /**
  * Coroutines variant of [ReactiveInsertOperation.TerminatingInsert.using].
  */
-suspend inline fun <reified T : Any> ReactiveInsertOperation.TerminatingInsert<T>.usingAndAwait(o: T): T =
+suspend fun <T : Any> ReactiveInsertOperation.TerminatingInsert<T>.usingAndAwait(o: T): T =
 		using(o).awaitSingle()

spring-data-r2dbc/src/main/kotlin/org/springframework/data/r2dbc/core/ReactiveSelectOperationExtensions.kt

@@ -24,6 +24,7 @@ import kotlinx.coroutines.reactive.awaitSingle
  * Extensions for [ReactiveSelectOperation].
  *
  * @author Mark Paluch
+ * @author Oleg Oshmyan
  * @since 1.1
  */
 
@@ -42,25 +43,25 @@ inline fun <reified T : Any> ReactiveSelectOperation.SelectWithProjection<*>.asT
 /**
  * Non-nullable Coroutines variant of [ReactiveSelectOperation.TerminatingSelect.one].
  */
-suspend inline fun <reified T : Any> ReactiveSelectOperation.TerminatingSelect<T>.awaitOne(): T =
+suspend fun <T : Any> ReactiveSelectOperation.TerminatingSelect<T>.awaitOne(): T =
 		one().awaitSingle()
 
 /**
  * Nullable Coroutines variant of [ReactiveSelectOperation.TerminatingSelect.one].
  */
-suspend inline fun <reified T : Any> ReactiveSelectOperation.TerminatingSelect<T>.awaitOneOrNull(): T? =
+suspend fun <T : Any> ReactiveSelectOperation.TerminatingSelect<T>.awaitOneOrNull(): T? =
 		one().awaitFirstOrNull()
 
 /**
  * Non-nullable Coroutines variant of [ReactiveSelectOperation.TerminatingSelect.first].
  */
-suspend inline fun <reified T : Any> ReactiveSelectOperation.TerminatingSelect<T>.awaitFirst(): T =
+suspend fun <T : Any> ReactiveSelectOperation.TerminatingSelect<T>.awaitFirst(): T =
 		first().awaitSingle()
 
 /**
  * Nullable Coroutines variant of [ReactiveSelectOperation.TerminatingSelect.first].
  */
-suspend inline fun <reified T : Any> ReactiveSelectOperation.TerminatingSelect<T>.awaitFirstOrNull(): T? =
+suspend fun <T : Any> ReactiveSelectOperation.TerminatingSelect<T>.awaitFirstOrNull(): T? =
 		first().awaitFirstOrNull()
 
 /**