Drop untriggered allows for unreachable_patterns

We fixed a new trigger for `clippy::match_overlapping_arm` in commit
aa260e0 instead, which seemed to supersede this lint error.

Author: MarijnS95

autogen/src/binary.rs

@@ -152,7 +152,7 @@ fn gen_operand_param_parse_methods(grammar: &[structs::OperandKind]) -> Vec<(&st
             // For each operand kind in the BitEnum category, its
             // enumerants are bit masks. If a certain bit having associated
             // parameters is set, we also need to decode the corresponding
-            // parameters. E.g., for MemoryAccess Aigned, an additional
+            // parameters. E.g., for MemoryAccess Aligned, an additional
             // LiteralInteger, which stands for the known alignment, should
             // be decoded.
 
@@ -191,10 +191,7 @@ fn gen_operand_param_parse_methods(grammar: &[structs::OperandKind]) -> Vec<(&st
                     spirv::#kind::#symbol => vec![#(#params),*]
                 }
             });
-            // TODO: filter duplicated symbols mapping to the same discriminator to avoid
-            // unreachable patterns.
             quote! {
-                #[allow(unreachable_patterns)]
                 fn #function_name(&mut self, #lo_kind: spirv::#kind) -> Result<Vec<dr::Operand>> {
                     Ok(match #lo_kind {
                         #(#cases),*,

autogen/src/sr.rs

@@ -533,9 +533,6 @@ pub fn gen_sr_code_from_instruction_grammar(
                         .map(ops::Terminator::Branch)
                 }
             }
-            // TODO: filter duplicated symbols mapping to the same discriminator to avoid
-            // unreachable patterns.
-            #[allow(unreachable_patterns)]
             pub fn lift_op(
                 &mut self, raw: &dr::Instruction
             ) -> Result<ops::Op, InstructionError> {

rspirv/binary/autogen_parse_operand.rs

@@ -322,7 +322,6 @@ impl Parser<'_, '_> {
         }
         Ok(params)
     }
-    #[allow(unreachable_patterns)]
     fn parse_execution_mode_arguments(
         &mut self,
         execution_mode: spirv::ExecutionMode,
@@ -459,7 +458,6 @@ impl Parser<'_, '_> {
             _ => vec![],
         })
     }
-    #[allow(unreachable_patterns)]
     fn parse_decoration_arguments(
         &mut self,
         decoration: spirv::Decoration,

rspirv/lift/autogen_context.rs

@@ -203,7 +203,6 @@ impl LiftContext {
             _ => self.lift_branch(raw).map(ops::Terminator::Branch),
         }
     }
-    #[allow(unreachable_patterns)]
     pub fn lift_op(&mut self, raw: &dr::Instruction) -> Result<ops::Op, InstructionError> {
         let mut operands = raw.operands.iter();
         match raw.class.opcode as u32 {

rspirv/lift/mod.rs

@@ -64,7 +64,7 @@ impl From<OperandError> for InstructionError {
     }
 }
 
-/// Error that may occur during the convesion from the data representation
+/// Error that may occur during the conversion from the data representation
 /// of a module into a structured representation.
 #[derive(Clone, Debug)]
 pub enum ConversionError {