Remove explicit calls to packageAll in partest aliases

They shouldn't be necessary since we call packageAll when needed anyway,
and they may contribute to the OOM errors on the CI when building

Author: smarter

project/Build.scala

@@ -119,21 +119,18 @@ object DottyBuild extends Build {
       addCommandAlias("run", "dotty-compiler/run") ++
       addCommandAlias(
         "partest",
-        ";dotty-compiler-bootstrapped/packageAll" +
         ";dotty-compiler-bootstrapped/lockPartestFile" +
         ";dotty-compiler-bootstrapped/test:test" +
         ";dotty-compiler-bootstrapped/runPartestRunner"
       ) ++
       addCommandAlias(
         "partest-only",
-        ";dotty-compiler-bootstrapped/packageAll" +
         ";dotty-compiler-bootstrapped/lockPartestFile" +
         ";dotty-compiler-bootstrapped/test:test-only dotc.tests" +
         ";dotty-compiler-bootstrapped/runPartestRunner"
       ) ++
       addCommandAlias(
         "partest-only-no-bootstrap",
-        ";packageAll" +
         ";dotty-compiler/lockPartestFile" +
         ";dotty-compiler/test:test-only dotc.tests" +
         ";dotty-compiler/runPartestRunner"