Add .snap.new files to gitignore

.gitignore

@@ -1,5 +1,6 @@
 target
 *.ic10
+*.snap.new
 release
 csharp_mod/bin
 obj

rust_compiler/libs/integration_tests/src/snapshots/integration_tests__tests__dead_code_elimination.snap.new

@@ -1,33 +0,0 @@
----
-source: libs/integration_tests/src/lib.rs
-assertion_line: 103
-expression: output
----
-## Unoptimized Output
-
-j main
-compute:
-pop r8
-push sp
-push ra
-move r9 20
-add r1 r8 1
-move r15 r1
-j __internal_L1
-__internal_L1:
-pop ra
-pop sp
-j ra
-
-## Optimized Output
-
-j main
-pop r8
-push sp
-push ra
-add r1 r8 1
-move r15 r1
-j 7
-pop ra
-pop sp
-j ra

rust_compiler/libs/integration_tests/src/snapshots/integration_tests__tests__nested_function_calls.snap.new

@@ -1,108 +0,0 @@
----
-source: libs/integration_tests/src/lib.rs
-assertion_line: 173
-expression: output
----
-## Unoptimized Output
-
-j main
-add:
-pop r8
-pop r9
-push sp
-push ra
-add r1 r9 r8
-move r15 r1
-j __internal_L1
-__internal_L1:
-pop ra
-pop sp
-j ra
-multiply:
-pop r8
-pop r9
-push sp
-push ra
-mul r1 r9 2
-move r15 r1
-j __internal_L2
-__internal_L2:
-pop ra
-pop sp
-j ra
-complex:
-pop r8
-pop r9
-push sp
-push ra
-push r8
-push r9
-push r9
-push r8
-jal add
-pop r9
-pop r8
-move r10 r15
-push r8
-push r9
-push r10
-push r10
-push 2
-jal multiply
-pop r10
-pop r9
-pop r8
-move r11 r15
-move r15 r11
-j __internal_L3
-__internal_L3:
-pop ra
-pop sp
-j ra
-
-## Optimized Output
-
-j main
-pop r8
-pop r9
-push sp
-push ra
-add r1 r9 r8
-move r15 r1
-j 8
-pop ra
-pop sp
-j ra
-pop r9
-push sp
-push ra
-add r1 r9 r9
-move r15 r1
-j 17
-pop ra
-pop sp
-j ra
-pop r8
-pop r9
-push sp
-push ra
-push r8
-push r9
-push r9
-push r8
-jal 1
-pop r9
-pop r8
-move r10 r15
-push r8
-push r9
-push r10
-push r10
-push 2
-jal 11
-move r11 r15
-move r15 r11
-j 41
-pop ra
-pop sp
-j ra