[IDE] Propagate KotlinFacetSettings version and completely drop isReleaseCoroutines flag

Also this commit removes number of tests related to support
  experimental coroutines

compiler/testData/multiplatform/compilerArguments/common.kt

@@ -1,9 +0,0 @@
-// ADDITIONAL_COMPILER_ARGUMENTS: -Xcoroutines=enable
-
-fun f(g: suspend () -> Unit): Any = g
-
-suspend fun h() = f { }
-
-expect suspend fun k()
-
-expect fun l(g: suspend () -> Unit): Any

compiler/testData/multiplatform/compilerArguments/output.txt

@@ -1,4 +0,0 @@
--- Common --
-Exit code: OK
-Output:
-warning: -Xcoroutines has no effect: coroutines are enabled anyway in 1.3 and beyond