Remove old workaround for .NET 2.x F# Interactive

Author: dsyme

src/fsharp/CompileOps.fs

@@ -1971,9 +1971,6 @@ type TcConfigBuilder =
       /// pause between passes? 
       mutable pause : bool
 
-      /// use reflection and indirect calls to call methods taking multidimensional generic arrays
-      mutable indirectCallArrayMethods : bool 
-      
       /// whenever possible, emit callvirt instead of call
       mutable alwaysCallVirt : bool
 
@@ -2122,7 +2119,6 @@ type TcConfigBuilder =
           showExtensionTypeMessages = false
 #endif
           pause = false 
-          indirectCallArrayMethods = false
           alwaysCallVirt = true
           noDebugData = false
           isInteractive = isInteractive
@@ -2582,7 +2578,6 @@ type TcConfig private (data : TcConfigBuilder,validate:bool) =
     member x.showExtensionTypeMessages  = data.showExtensionTypeMessages    
 #endif
     member x.pause  = data.pause
-    member x.indirectCallArrayMethods = data.indirectCallArrayMethods
     member x.alwaysCallVirt = data.alwaysCallVirt
     member x.noDebugData = data.noDebugData
     member x.isInteractive = data.isInteractive
@@ -4339,7 +4334,7 @@ type TcImports(tcConfigP:TcConfigProvider, initialResolutions:TcAssemblyResoluti
 
         // OK, now we have both mscorlib.dll and FSharp.Core.dll we can create TcGlobals
         let tcGlobals = mkTcGlobals(tcConfig.compilingFslib,sysCcu.FSharpViewOfMetadata,ilGlobals,fslibCcu,
-                                    tcConfig.implicitIncludeDir,tcConfig.mlCompatibility,using40environment,tcConfig.indirectCallArrayMethods,
+                                    tcConfig.implicitIncludeDir,tcConfig.mlCompatibility,using40environment,
                                     tcConfig.isInteractive,getTypeCcu, tcConfig.emitDebugInfoInQuotations) 
 
 #if DEBUG

src/fsharp/CompileOps.fsi

@@ -304,7 +304,6 @@ type TcConfigBuilder =
       mutable showExtensionTypeMessages : bool
 #endif
       mutable pause : bool 
-      mutable indirectCallArrayMethods : bool
       mutable alwaysCallVirt : bool
       mutable noDebugData : bool
 
@@ -448,7 +447,6 @@ type TcConfig =
     member showExtensionTypeMessages : bool
 #endif
     member pause : bool 
-    member indirectCallArrayMethods : bool
     member alwaysCallVirt : bool
     member noDebugData : bool
 

src/fsharp/CompileOptions.fs

@@ -777,7 +777,6 @@ let internalFlags (tcConfigB:TcConfigBuilder) =
     CompilerOption("resolutionassemblyfoldersuffix", tagString, OptionString (fun s -> tcConfigB.resolutionAssemblyFoldersSuffix<-s), Some(InternalCommandLineOption("resolutionassemblyfoldersuffix", rangeCmdArgs)), None); // "The base registry key to use for assembly resolution. This part in brackets here: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\.NETFramework\v2.0.50727\[AssemblyFoldersEx]");
     CompilerOption("resolutionassemblyfoldersconditions", tagString, OptionString (fun s -> tcConfigB.resolutionAssemblyFoldersConditions <- ","^s), Some(InternalCommandLineOption("resolutionassemblyfoldersconditions", rangeCmdArgs)), None); // "Additional reference resolution conditions. For example \"OSVersion=5.1.2600.0,PlatformID=id");
     CompilerOption("msbuildresolution", tagNone, OptionUnit (fun () -> tcConfigB.useMonoResolution<-false), Some(InternalCommandLineOption("msbuildresolution", rangeCmdArgs)), None); // "Resolve assembly references using MSBuild resolution rules rather than directory based (Default=true except when running fsc.exe under mono)");
-    CompilerOption("indirectcallarraymethods", tagNone, OptionUnit (fun () -> tcConfigB.indirectCallArrayMethods<-true), Some(InternalCommandLineOption("--indirectCallArrayMethods", rangeCmdArgs)), None);
     CompilerOption("alwayscallvirt",tagNone,OptionSwitch(callVirtSwitch tcConfigB),Some(InternalCommandLineOption("alwayscallvirt",rangeCmdArgs)), None);
     CompilerOption("nodebugdata",tagNone, OptionUnit (fun () -> tcConfigB.noDebugData<-true),Some(InternalCommandLineOption("--nodebugdata",rangeCmdArgs)), None);
     testFlag tcConfigB  ] @