Revert "[MLIR][Linalg] Fix unclosed code block which broke generated docs - NFC (llvm#115763)"

This reverts commit c02b8a0.

Author: Groverkss

mlir/include/mlir/Dialect/Linalg/IR/LinalgStructuredOps.td

@@ -561,7 +561,7 @@ def BroadcastOp : LinalgStructuredBase_Op<"broadcast", [
 def MatmulOp : LinalgStructuredBase_Op<"matmul", [
                AttrSizedOperandSegments,
                LinalgContractionOpInterface]> {
-
+    
   let summary = [{
     Performs a matrix multiplication of two 2D inputs without broadcast or transpose.
     }];
@@ -593,17 +593,16 @@ def MatmulOp : LinalgStructuredBase_Op<"matmul", [
                   ]
                   ins(%arg0, %arg1 : memref<3xf32>, memref<5x7xf32>)
                   outs(%arg2: memref<3x7xf32>)
-    ```
+     ```
 
-    Example Broadcast and transpose:
-    ```
-    linalg.matmul indexing_maps = [
-                      affine_map<(d0, d1, d2) -> (d2, d0)>, // transpose
-                      affine_map<(d0, d1, d2) -> (d2)>,     // broadcast
-                      affine_map<(d0, d1, d2) -> (d0, d1)>
-                    ]
-                    ins(%arg0, %arg1 : memref<5x3xf32>, memref<7xf32>) outs(%arg2: memref<3x7xf32>)
-    ```
+     Example Broadcast and transpose:
+     ```
+     linalg.matmul indexing_maps = [
+                       affine_map<(d0, d1, d2) -> (d2, d0)>, // transpose
+                       affine_map<(d0, d1, d2) -> (d2)>,     // broadcast
+                       affine_map<(d0, d1, d2) -> (d0, d1)>
+                     ]
+                     ins(%arg0, %arg1 : memref<5x3xf32>, memref<7xf32>) outs(%arg2: memref<3x7xf32>)
     }];
 
     let arguments = (ins