ImportOptimizer: basic support for removing unresolved imports

#KT-32409 Fixed
Part of #KT-31331

idea/testData/editor/optimizeImports/common/ConflictWithUnresolvedName.kt

@@ -0,0 +1,9 @@
+package srt
+
+import srt.A
+
+const val A = 4
+
+fun test(a: A) {
+
+}

idea/testData/editor/optimizeImports/common/ConflictWithUnresolvedName.kt.after

@@ -0,0 +1,7 @@
+package srt
+
+const val A = 4
+
+fun test(a: A) {
+
+}

idea/testData/editor/optimizeImports/common/ConflictWithUnresolvedName2.kt

@@ -0,0 +1,9 @@
+package srt
+
+import srt.*
+
+const val A = 4
+
+fun test(b: A) {
+
+}

idea/testData/editor/optimizeImports/common/ConflictWithUnresolvedName2.kt.after

@@ -0,0 +1,9 @@
+package srt
+
+import srt.*
+
+const val A = 4
+
+fun test(b: A) {
+
+}

idea/testData/editor/optimizeImports/common/Kt32409.kt

@@ -0,0 +1,7 @@
+package a.b
+
+import a.*
+
+class Foo(
+    val bar: Bar
+)

idea/testData/editor/optimizeImports/common/Kt32409.kt.after

@@ -0,0 +1,7 @@
+package a.b
+
+import a.*
+
+class Foo(
+    val bar: Bar
+)

idea/testData/editor/optimizeImports/common/UnresolvedImport.kt.after

@@ -1,7 +1,6 @@
 import pack1.Class4
 import pack1.Example
 import pack2.*
-import pack3.Ggd
 
 fun method(a: Class4) {
     Example()

idea/testData/editor/optimizeImports/common/UnresolvedImport2.dependency.kt

@@ -0,0 +1,4 @@
+package pack1
+
+class Example
+class Class4

idea/testData/editor/optimizeImports/common/UnresolvedImport2.kt

@@ -0,0 +1,9 @@
+import pack1.Class4
+import pack1.Example
+import pack2.*
+import pack3.Ggd
+import pack4.Gga as Arrr
+
+fun method(a: Class4) {
+    Example()
+}

idea/testData/editor/optimizeImports/common/UnresolvedImport2.kt.after

@@ -0,0 +1,6 @@
+import pack1.Class4
+import pack1.Example
+
+fun method(a: Class4) {
+    Example()
+}