Revert "Cache unpickled quotes per run"

This reverts commit 1dcf1b7.

Author: nicolasstucki

compiler/src/dotty/tools/dotc/Driver.scala

@@ -14,7 +14,6 @@ import reporting._
 import core.Decorators._
 import config.Feature
 import util.SourceFile
-import dotty.tools.dotc.quoted.QuotesCache
 
 import scala.util.control.NonFatal
 import fromtasty.{TASTYCompiler, TastyFileUtil}
@@ -80,7 +79,6 @@ class Driver {
     ictx.setSettings(summary.sstate)
     Feature.checkExperimentalSettings(using ictx)
     MacroClassLoader.init(ictx)
-    QuotesCache.init(ictx)
     Positioned.init(using ictx)
 
     inContext(ictx) {

compiler/src/dotty/tools/dotc/quoted/MacroExpansion.scala

@@ -14,6 +14,6 @@ object MacroExpansion {
     ctx.property(MacroExpansionPosition)
 
   def context(inlinedFrom: tpd.Tree)(using Context): Context =
-    ctx.fresh.setProperty(MacroExpansionPosition, SourcePosition(inlinedFrom.source, inlinedFrom.span)).setTypeAssigner(new Typer).withSource(inlinedFrom.source)
+    QuotesCache.init(ctx.fresh).setProperty(MacroExpansionPosition, SourcePosition(inlinedFrom.source, inlinedFrom.span)).setTypeAssigner(new Typer).withSource(inlinedFrom.source)
 }