Revert D55330950: Preserve a trailing space when lambda only has bloc…

…k comments

Differential Revision:
D55330950

Original commit changeset: ca9288b3b1b4

Original Phabricator Diff: D55330950

fbshipit-source-id: 3fb64d1aa01764d358154ac9b5747ea45d99cd04

core/src/main/java/com/facebook/ktfmt/format/KotlinInputAstVisitor.kt

@@ -891,7 +891,6 @@ class KotlinInputAstVisitor(
     val valueParams = lambdaExpression.valueParameters
     val hasParams = valueParams.isNotEmpty()
     val statements = (lambdaExpression.bodyExpression ?: fail()).children
-    val hasComments = lambdaExpression.bodyExpression?.children()?.any { it is PsiComment } ?: false
     val hasStatements = statements.isNotEmpty()
     val hasArrow = lambdaExpression.functionLiteral.arrow != null
 
@@ -947,7 +946,7 @@ class KotlinInputAstVisitor(
       }
     }
 
-    if (hasParams || hasArrow || hasStatements || hasComments) {
+    if (hasParams || hasArrow || hasStatements) {
       // If we had to break in the body, ensure there is a break before the closing brace
       builder.breakOp(Doc.FillMode.UNIFIED, " ", bracePlusZeroIndent)
     }

core/src/test/java/com/facebook/ktfmt/format/FormatterTest.kt

@@ -5903,15 +5903,6 @@ class FormatterTest {
       |"""
               .trimMargin())
 
-  @Test
-  fun `lambda with only comments`() =
-      assertFormatted(
-          """
-      |val a = { /* do nothing */ }
-      |val b = { /* do nothing */ /* also do nothing */ }
-      |"""
-              .trimMargin())
-
   @Test
   fun `chaining - many dereferences`() =
       assertFormatted(