Remove next-vm execution branch (MystenLabs#16135)

## Description 

Remove the next-vm execution branch as it was just causing pain without
any benefit.

## Test Plan 

Not used, so free to delete.

.config/hakari.toml

@@ -37,7 +37,6 @@ third-party = [
     { name = "move-vm-config", path = "external-crates/move/crates/move-vm-config" },
     { name = "move-vm-runtime", path = "external-crates/move/crates/move-vm-runtime" },
     { name = "move-vm-profiler", path = "external-crates/move/crates/move-vm-profiler" },
-    { name = "move-vm-runtime-next-vm", path = "external-crates/move/move-execution/next-vm/crates/move-vm-runtime" },
     { name = "move-vm-runtime-v0", path = "external-crates/move/move-execution/v0/move-vm/runtime" },
     { name = "move-vm-runtime-v1", path = "external-crates/move/move-execution/v1/crates/move-vm-runtime" },
     { name = "move-vm-test-utils", path = "external-crates/move/crates/move-vm-test-utils" },

Cargo.toml

@@ -55,9 +55,6 @@ exclude = [
   "external-crates/move/crates/move-vm-types",
   "external-crates/move/crates/serializer-tests",
   "external-crates/move/crates/test-generation",
-  "external-crates/move/move-execution/next-vm/crates/move-bytecode-verifier",
-  "external-crates/move/move-execution/next-vm/crates/move-stdlib",
-  "external-crates/move/move-execution/next-vm/crates/move-vm-runtime",
   "external-crates/move/move-execution/v0/move-bytecode-verifier",
   "external-crates/move/move-execution/v0/move-stdlib",
   "external-crates/move/move-execution/v0/move-vm/runtime",
@@ -180,9 +177,6 @@ members = [
   "sui-execution/latest/sui-adapter",
   "sui-execution/latest/sui-move-natives",
   "sui-execution/latest/sui-verifier",
-  "sui-execution/next-vm/sui-adapter",
-  "sui-execution/next-vm/sui-move-natives",
-  "sui-execution/next-vm/sui-verifier",
   "sui-execution/v0/sui-adapter",
   "sui-execution/v0/sui-move-natives",
   "sui-execution/v0/sui-verifier",

crates/workspace-hack/Cargo.toml

@@ -463,7 +463,6 @@ move-borrow-graph = { path = "../../external-crates/move/crates/move-borrow-grap
 move-bytecode-source-map = { path = "../../external-crates/move/crates/move-bytecode-source-map" }
 move-bytecode-utils = { path = "../../external-crates/move/crates/move-bytecode-utils", default-features = false }
 move-bytecode-verifier = { path = "../../external-crates/move/crates/move-bytecode-verifier" }
-move-bytecode-verifier-next-vm = { path = "../../external-crates/move/move-execution/next-vm/crates/move-bytecode-verifier" }
 move-bytecode-verifier-v0 = { path = "../../external-crates/move/move-execution/v0/move-bytecode-verifier" }
 move-bytecode-verifier-v1 = { path = "../../external-crates/move/move-execution/v1/crates/move-bytecode-verifier" }
 move-bytecode-viewer = { path = "../../external-crates/move/crates/move-bytecode-viewer" }
@@ -486,7 +485,6 @@ move-read-write-set-types = { path = "../../external-crates/move/crates/move-rea
 move-stackless-bytecode = { path = "../../external-crates/move/crates/move-stackless-bytecode", default-features = false }
 move-stackless-bytecode-interpreter = { path = "../../external-crates/move/crates/move-stackless-bytecode-interpreter", default-features = false }
 move-stdlib = { path = "../../external-crates/move/crates/move-stdlib", features = ["testing"] }
-move-stdlib-next-vm = { path = "../../external-crates/move/move-execution/next-vm/crates/move-stdlib" }
 move-stdlib-v0 = { path = "../../external-crates/move/move-execution/v0/move-stdlib", default-features = false }
 move-stdlib-v1 = { path = "../../external-crates/move/move-execution/v1/crates/move-stdlib" }
 move-symbol-pool = { path = "../../external-crates/move/crates/move-symbol-pool" }
@@ -1359,7 +1357,6 @@ move-borrow-graph = { path = "../../external-crates/move/crates/move-borrow-grap
 move-bytecode-source-map = { path = "../../external-crates/move/crates/move-bytecode-source-map" }
 move-bytecode-utils = { path = "../../external-crates/move/crates/move-bytecode-utils", default-features = false }
 move-bytecode-verifier = { path = "../../external-crates/move/crates/move-bytecode-verifier" }
-move-bytecode-verifier-next-vm = { path = "../../external-crates/move/move-execution/next-vm/crates/move-bytecode-verifier" }
 move-bytecode-verifier-v0 = { path = "../../external-crates/move/move-execution/v0/move-bytecode-verifier" }
 move-bytecode-verifier-v1 = { path = "../../external-crates/move/move-execution/v1/crates/move-bytecode-verifier" }
 move-bytecode-viewer = { path = "../../external-crates/move/crates/move-bytecode-viewer" }
@@ -1383,7 +1380,6 @@ move-read-write-set-types = { path = "../../external-crates/move/crates/move-rea
 move-stackless-bytecode = { path = "../../external-crates/move/crates/move-stackless-bytecode", default-features = false }
 move-stackless-bytecode-interpreter = { path = "../../external-crates/move/crates/move-stackless-bytecode-interpreter", default-features = false }
 move-stdlib = { path = "../../external-crates/move/crates/move-stdlib", features = ["testing"] }
-move-stdlib-next-vm = { path = "../../external-crates/move/move-execution/next-vm/crates/move-stdlib" }
 move-stdlib-v0 = { path = "../../external-crates/move/move-execution/v0/move-stdlib", default-features = false }
 move-stdlib-v1 = { path = "../../external-crates/move/move-execution/v1/crates/move-stdlib" }
 move-symbol-pool = { path = "../../external-crates/move/crates/move-symbol-pool" }