Merge remote-tracking branch 'origin/otethal/truffle_string' into otethal/truffle_string

Author: timfel

graalpython/com.oracle.graal.python/src/com/oracle/graal/python/builtins/objects/str/StringBuiltins.java

@@ -25,7 +25,6 @@
  */
 package com.oracle.graal.python.builtins.objects.str;
 
-import static com.oracle.graal.python.builtins.objects.str.StringUtils.LAZY_CODEPOINT_THRESHOLD;
 import static com.oracle.graal.python.nodes.BuiltinNames.J_ENCODE;
 import static com.oracle.graal.python.nodes.BuiltinNames.J_ENDSWITH;
 import static com.oracle.graal.python.nodes.BuiltinNames.J_FORMAT;
@@ -151,7 +150,6 @@
 import com.oracle.graal.python.nodes.util.CastToTruffleStringNode;
 import com.oracle.graal.python.runtime.ExecutionContext.IndirectCallContext;
 import com.oracle.graal.python.runtime.PythonContext;
-import com.oracle.graal.python.runtime.PythonOptions;
 import com.oracle.graal.python.runtime.exception.PException;
 import com.oracle.graal.python.runtime.formatting.InternalFormat;
 import com.oracle.graal.python.runtime.formatting.InternalFormat.Spec;

graalpython/com.oracle.graal.python/src/com/oracle/graal/python/lib/PyObjectStrAsObjectNode.java

@@ -58,7 +58,6 @@
 import com.oracle.graal.python.nodes.call.special.LookupSpecialMethodSlotNode;
 import com.oracle.graal.python.nodes.classes.IsSubtypeNode;
 import com.oracle.graal.python.nodes.object.GetClassNode;
-import com.oracle.graal.python.runtime.PythonOptions;
 import com.oracle.truffle.api.dsl.Cached;
 import com.oracle.truffle.api.dsl.GenerateUncached;
 import com.oracle.truffle.api.dsl.ImportStatic;