nimpretty: code cleanups

(cherry picked from commit fc34193483)

compiler/lexer.nim

@@ -146,10 +146,6 @@ type
       previousToken: TLineInfo
     config*: ConfigRef
 
-when defined(nimpretty):
-  var
-    gIndentationWidth*: int
-
 proc getLineInfo*(L: TLexer, tok: TToken): TLineInfo {.inline.} =
   result = newLineInfo(L.fileIdx, tok.line, tok.col)
   when defined(nimpretty):
@@ -1174,8 +1170,6 @@ proc skip(L: var TLexer, tok: var TToken) =
       tok.commentOffsetB = L.offsetBase + pos - 1
       tok.tokType = tkComment
       tok.indent = commentIndent
-    if gIndentationWidth <= 0:
-      gIndentationWidth = tok.indent
 
 proc rawGetTok*(L: var TLexer, tok: var TToken) =
   template atTokenEnd() {.dirty.} =

compiler/renderer.nim

@@ -64,14 +64,11 @@ proc renderDefinitionName*(s: PSym, noQuotes = false): string =
   else:
     result = '`' & x & '`'
 
-when not defined(nimpretty):
-  const
-    IndentWidth = 2
-    longIndentWid = IndentWidth * 2
-else:
-  template IndentWidth: untyped = lexer.gIndentationWidth
-  template longIndentWid: untyped = IndentWidth() * 2
+const
+  IndentWidth = 2
+  longIndentWid = IndentWidth * 2
 
+when defined(nimpretty):
   proc minmaxLine(n: PNode): (int, int) =
     case n.kind
     of nkTripleStrLit: