Revert r252858: "[WebAssembly] Switch to MC for instruction printing."

It broke the CMake build:

"Cannot find source file: WebAssemblyRegNumbering.cpp"

llvm-svn: 252897
diff --git a/llvm/lib/Target/WebAssembly/WebAssemblyInstrCall.td b/llvm/lib/Target/WebAssembly/WebAssemblyInstrCall.td
index d175b6a..82a42f5 100644
--- a/llvm/lib/Target/WebAssembly/WebAssemblyInstrCall.td
+++ b/llvm/lib/Target/WebAssembly/WebAssemblyInstrCall.td
@@ -23,11 +23,9 @@
 
 multiclass CALL<WebAssemblyRegClass vt> {
   def CALL_#vt : I<(outs vt:$dst), (ins global:$callee, variable_ops),
-                   [(set vt:$dst, (WebAssemblycall1 (WebAssemblywrapper tglobaladdr:$callee)))],
-                   "call $callee, $dst">;
+                   [(set vt:$dst, (WebAssemblycall1 (WebAssemblywrapper tglobaladdr:$callee)))]>;
   def CALL_INDIRECT_#vt : I<(outs vt:$dst), (ins I32:$callee, variable_ops),
-                            [(set vt:$dst, (WebAssemblycall1 I32:$callee))],
-                            "call_indirect $callee, $dst">;
+                            [(set vt:$dst, (WebAssemblycall1 I32:$callee))]>;
 }
 let Uses = [SP32, SP64], isCall = 1 in {
   defm : CALL<I32>;
@@ -36,11 +34,9 @@
   defm : CALL<F64>;
 
   def CALL_VOID : I<(outs), (ins global:$callee, variable_ops),
-                    [(WebAssemblycall0 (WebAssemblywrapper tglobaladdr:$callee))],
-                    "call $callee">;
+                    [(WebAssemblycall0 (WebAssemblywrapper tglobaladdr:$callee))]>;
   def CALL_INDIRECT_VOID : I<(outs), (ins I32:$callee, variable_ops),
-                             [(WebAssemblycall0 I32:$callee)],
-                             "call_indirect $callee">;
+                             [(WebAssemblycall0 I32:$callee)]>;
 } // Uses = [SP32,SP64], isCall = 1
 
 /*