Remove reference to deleted project

Elsa.sln

@@ -54,12 +54,8 @@ Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Elsa.Persistence.DocumentDb
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Elsa.Activities.Dropbox", "src\activities\Elsa.Activities.Dropbox\Elsa.Activities.Dropbox.csproj", "{5A3C9D59-21FE-4BE3-A00A-FF3F198EEC97}"
 EndProject
-Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "utils", "utils", "{9E1AF14C-0BEC-4BC2-810C-85FC25A9DDD4}"
-EndProject
 Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "scripting", "scripting", "{5E230C5F-7A64-4E95-A790-DF40CC66DA31}"
 EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Elsa.AutoMapper.Extensions", "src\utils\Elsa.AutoMapper.Extensions\Elsa.AutoMapper.Extensions.csproj", "{72DA50EC-8A99-4D4F-BF61-DEF105BDAE10}"
-EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Elsa.Scripting.JavaScript", "src\scripting\Elsa.Scripting.JavaScript\Elsa.Scripting.JavaScript.csproj", "{DA91DAF2-4C59-4468-8F1D-6A500D218A1E}"
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Elsa.Scripting.Liquid", "src\scripting\Elsa.Scripting.Liquid\Elsa.Scripting.Liquid.csproj", "{9A2D1E3E-328F-4E02-86F8-84974925C1E3}"
@@ -140,10 +136,6 @@ Global
 		{5A3C9D59-21FE-4BE3-A00A-FF3F198EEC97}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{5A3C9D59-21FE-4BE3-A00A-FF3F198EEC97}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{5A3C9D59-21FE-4BE3-A00A-FF3F198EEC97}.Release|Any CPU.Build.0 = Release|Any CPU
-		{72DA50EC-8A99-4D4F-BF61-DEF105BDAE10}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
-		{72DA50EC-8A99-4D4F-BF61-DEF105BDAE10}.Debug|Any CPU.Build.0 = Debug|Any CPU
-		{72DA50EC-8A99-4D4F-BF61-DEF105BDAE10}.Release|Any CPU.ActiveCfg = Release|Any CPU
-		{72DA50EC-8A99-4D4F-BF61-DEF105BDAE10}.Release|Any CPU.Build.0 = Release|Any CPU
 		{DA91DAF2-4C59-4468-8F1D-6A500D218A1E}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
 		{DA91DAF2-4C59-4468-8F1D-6A500D218A1E}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{DA91DAF2-4C59-4468-8F1D-6A500D218A1E}.Release|Any CPU.ActiveCfg = Release|Any CPU
@@ -196,9 +188,7 @@ Global
 		{120E4BF9-4A42-4BB9-A0B2-9597160D6E37} = {8B87D79A-F0DE-4F88-81D3-8C8C69108ADB}
 		{39EBECE7-538B-431C-AAB7-901AB16E6D4A} = {76710230-AC6D-4E54-9A06-15F34C155118}
 		{5A3C9D59-21FE-4BE3-A00A-FF3F198EEC97} = {B43B546E-23F3-46E8-ACB7-D04F05CDA180}
-		{9E1AF14C-0BEC-4BC2-810C-85FC25A9DDD4} = {DA71CDAA-8DD3-4D5F-9FBD-8E4B37A2D925}
 		{5E230C5F-7A64-4E95-A790-DF40CC66DA31} = {DA71CDAA-8DD3-4D5F-9FBD-8E4B37A2D925}
-		{72DA50EC-8A99-4D4F-BF61-DEF105BDAE10} = {9E1AF14C-0BEC-4BC2-810C-85FC25A9DDD4}
 		{DA91DAF2-4C59-4468-8F1D-6A500D218A1E} = {5E230C5F-7A64-4E95-A790-DF40CC66DA31}
 		{9A2D1E3E-328F-4E02-86F8-84974925C1E3} = {5E230C5F-7A64-4E95-A790-DF40CC66DA31}
 		{3FC85C9D-CC20-4F54-9936-029F19FBFBE1} = {B43B546E-23F3-46E8-ACB7-D04F05CDA180}