ZJIT: Remove unnecessary empty lines

Author: k0kubun

zjit/src/backend/arm64/mod.rs

@@ -78,7 +78,6 @@ impl From<Opnd> for A64Opnd {
             Opnd::None => panic!(
                 "Attempted to lower an Opnd::None. This often happens when an out operand was not allocated for an instruction because the output of the instruction was not used. Please ensure you are using the output."
             ),
-
         }
     }
 }
@@ -809,7 +808,6 @@ impl Assembler
                     }
                     emit_load_value(cb, Assembler::SCRATCH0, dst_addr);
                     br(cb, Assembler::SCRATCH0);
-
                 }
                 */
             } else {

zjit/src/backend/x86_64/mod.rs

@@ -605,7 +605,6 @@ impl Assembler
                             scratch
                         }
                         src @ (Opnd::None | Opnd::VReg { .. }) => panic!("Unexpected source operand during x86_emit: {src:?}")
-
                     };
                     mov(cb, dest.into(), src);
                 }